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Dr. Rahul Ranjan

Assistant Professor, Department of Microbiology, School of Medicine, Faridabad

Qualification: MBBS, DNB (Microbiology)
rahul.ranjan@fbd.amrita.edu
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Google Scholar Profile
Scopus Author ID
Research Interest: Bacteriology, Mycobacteriology, Mycology, Hospital infection control


Bio

Dr. Rahul Ranjan serves as Assistant Professor of Microbiology at Amrita School of Medicine, Faridabad. His academic and clinical work focuses on rare pathogens, antimicrobial resistance, and advancing diagnostic innovation. With multiple publications in leading journals and active participation in national and international conferences, he contributes to both research and teaching while promoting infection prevention and antimicrobial stewardship.

Publications

Journal Article

Year : 2025

Optimizing SARS-CoV-2 Detection: A Rapid, Cost-Effective Reverse Transcription Polymerase Chain Reaction (RT-PCR) Method Without RNA Extraction

Cite this Research Publication :

Publisher : Springer Science and Business Media LLC

Year : 2024

A Fatal Case of Multidrug-Resistant Pleural Nocardiosis by Nocardia otitidiscaviarum in an Immunosuppressed Patient: A Case Report and Literature Review

Cite this Research Publication : Rahul Ranjan, Raunak Bir, Jayanthi Gunasekaran, Vishwanath S Yadav, Rajiv M Gupta, A Fatal Case of Multidrug-Resistant Pleural Nocardiosis by Nocardia otitidiscaviarum in an Immunosuppressed Patient: A Case Report and Literature Review, Cureus, Springer Science and Business Media LLC, 2024, https://doi.org/10.7759/cureus.52071

Publisher : Springer Science and Business Media LLC

Year : 2024

Isolated Unilateral Testicular Tuberculosis in a Young, Immunocompetent Patient: A Case Report

Cite this Research Publication : Jayanthi Gunasekaran, Rahul Ranjan, Ina Joshi, Priya Karlapudi, Rajiv M Gupta, Isolated Unilateral Testicular Tuberculosis in a Young, Immunocompetent Patient: A Case Report, Cureus, Springer Science and Business Media LLC, 2024, https://doi.org/10.7759/cureus.52902

Publisher : Springer Science and Business Media LLC

Year : 2024

First Case of Nocardia wallacei From India: A Case Report and Literature Review

Cite this Research Publication : Rahul Ranjan, Jayanthi Gunasekaran, Raunak Bir, Umesh Kumar, Rajiv M Gupta, First Case of Nocardia wallacei From India: A Case Report and Literature Review, Cureus, Springer Science and Business Media LLC, 2024, https://doi.org/10.7759/cureus.53035

Publisher : Springer Science and Business Media LLC

Year : 2024

Christie, Atkins, Munch–Peterson (CAMP) Negative Listeria monocytogenes Meningitis in Neonates: Report of Two Cases

Cite this Research Publication : Rahul Ranjan, Ankita Rai, Pooja Pandey, Raunak Bir, Priti Agarwal, Christie, Atkins, Munch–Peterson (CAMP) Negative Listeria monocytogenes Meningitis in Neonates: Report of Two Cases, Cureus, Springer Science and Business Media LLC, 2024, https://doi.org/10.7759/cureus.55800

Publisher : Springer Science and Business Media LLC

Year : 2024

Iatrogenically Acquired Mycobacterium abscessus Infection in an Indwelling Intercostal Drainage In Situ in a Patient With Alcoholic Liver Disease and Bilateral Hepatic Hydrothorax: A Report of a Rare Case

Cite this Research Publication : Rahul Ranjan, Jayanthi Gunasekaran, Raunak Bir, Umesh Kumar, Rajiv M Gupta, Iatrogenically Acquired Mycobacterium abscessus Infection in an Indwelling Intercostal Drainage In Situ in a Patient With Alcoholic Liver Disease and Bilateral Hepatic Hydrothorax: A Report of a Rare Case, Cureus, Springer Science and Business Media LLC, 2024, https://doi.org/10.7759/cureus.59626

Publisher : Springer Science and Business Media LLC

Year : 2024

A Case of Isolated Splenic Tuberculosis Presenting as a Splenic Abscess Complicated by Rupture Leading to Splenectomy in an Immunocompetent Male

Cite this Research Publication : Rahul Ranjan, Ankita Rai, Jayanthi Gunasekaran, Talari R Paul, Rajiv M Gupta, A Case of Isolated Splenic Tuberculosis Presenting as a Splenic Abscess Complicated by Rupture Leading to Splenectomy in an Immunocompetent Male, Cureus, Springer Science and Business Media LLC, 2024, https://doi.org/10.7759/cureus.61088

Publisher : Springer Science and Business Media LLC

Year : 2024

Prevalence of Co-infection of Culture-Proven Bacterial Pathogens in Microbiologically Confirmed Pulmonary Tuberculosis Patients From a Tertiary Care Center

Cite this Research Publication : Raunak Bir, Rahul Ranjan, Jayanthi Gunasekaran, Kuhu Chatterjee, Dr Karteeka, Ankita Rai, Sonam Gupta, Priya Karlapudi, Ina Joshi, Rajiv M Gupta, Prevalence of Co-infection of Culture-Proven Bacterial Pathogens in Microbiologically Confirmed Pulmonary Tuberculosis Patients From a Tertiary Care Center, Cureus, Springer Science and Business Media LLC, 2024, https://doi.org/10.7759/cureus.66482

Publisher : Springer Science and Business Media LLC

Year : 2024

Dynamic trends of dengue fever serotypes in northern India: Exploring clinical manifestations, serotype dissemination, and the influence of mixed infections

Cite this Research Publication : , Pandey P., Ranjan R., Agarwal P., Gupta R.M., Pandey A.K., Das A., Yadav V.S., Dynamic trends of dengue fever serotypes in northern India: Exploring clinical manifestations, serotype dissemination, and the influence of mixed infections, Tropical Biomedicine, Malaysian Society of Parasitology and Tropical Medicine, 2024, https://doi.org/10.47665/tb.41.4.007

Publisher : Malaysian Society of Parasitology and Tropical Medicine

Year : 2023

Sporotrichoid lesions caused by Rhinocladiella similis

Cite this Research Publication : Juhi Taneja, Shanta Passi, Rahul Ranjan, S Zafar Abbas, V Ramesh, Sporotrichoid lesions caused by Rhinocladiella similis, Journal of Medical Mycology, Elsevier BV, 2023, https://doi.org/10.1016/j.mycmed.2022.101336

Publisher : Elsevier BV

Year : 2023

Mycetoma by Nocardia blacklockiae: The first case

Cite this Research Publication : Juhi Taneja, Shanta Passi, Rahul Ranjan, S Zafar Abbas, V. Ramesh, Mycetoma by Nocardia blacklockiae: The first case, Indian Journal of Medical Microbiology, Elsevier BV, 2023, https://doi.org/10.1016/j.ijmmb.2022.10.003

Publisher : Elsevier BV

Year : 2023

Evaluation of in-vitro colistin susceptibility and clinical profile of carbapenem resistant Enterobacteriaceae related invasive infections

Cite this Research Publication : Rahul Ranjan, Ranganathan N. Iyer, Rekha Rao Jangam, Neha Arora, Evaluation of in-vitro colistin susceptibility and clinical profile of carbapenem resistant Enterobacteriaceae related invasive infections, Indian Journal of Medical Microbiology, Elsevier BV, 2023, https://doi.org/10.1016/j.ijmmb.2022.12.008

Publisher : Elsevier BV

Year :

Heterologous vaccination in the pre COVID and COVID era: An encouraging and promising strategy

Cite this Research Publication : Pooja Pandey, Raunak Bir, Rahul Ranjan, Jayanthi Gunasekaran, Sanchi Kashyap, Vishwanath S. Yadav, Rajiv Mohan Gupta, Asim Das, Anil K Pandey, “Heterologous vaccination in the pre COVID and COVID era: An encouraging and promising strategy”, IJMSIR- August - 2023, Vol – 8, Issue - 4, P. No. 11 – 21.

Publisher : IJMSIR : A Medical Publication Hub

Year :

Prevalence of Microbiologically Confirmed Female Genital Tuberculosis in a Tertiary Care Hospital in Faridabad, Haryana, India

Cite this Research Publication : Gunasekaran J, Ranjan R, Karlapudi P, Pandey P, Chichhal K, Gupta S, Rai A, Joshi I, Kumar U, Gupta RM, Joshi Jr I. Prevalence of Microbiologically Confirmed Female Genital Tuberculosis in a Tertiary Care Hospital in Faridabad, Haryana, India. Cureus. 2024 Dec 9;16(12).
Publication URL: https://doi.org/10.7759/cureus.75358
PMID: 39781157
PMCID: PMC11707633
Type of Paper: Original Research

Research

Year : 2022

Candida Species Isolated From ICU Bloodstream Infections: Molecular Epidemiology, Antifungal Resistance, and Virulence Profiling

Cite this Research Publication : Bir R, Chatterjee K, Rai A, Ranjan R, Grover K, Mukim Y, Pandey A, Thakur A, Gupta R, Pandey P. Candida Species Isolated From ICU Bloodstream Infections: Molecular Epidemiology, Antifungal Resistance, and Virulence Profiling. Cureus. 2025 Oct 19;17(10).
Publication URL: https://doi.org/10.7759/cureus.94898

Publisher : Springer Science and Business Media LLC

FDP / Workshops
  1. Training on Basic Life Support (BLS) on 02/08/2025 at Amrita Hospital, Faridabad 
  2. Hands-on-training in “WHONET” software from 20/03/2025 to 22/03/2025, organized by GB Pant Institute of Post Graduate Medical Education and Research, New Delhi, under the aegis of IAMM
  3. Completed “Basic Course in Medical Education (BCME)” as mandated by NMC from 01-03-2025 to 03-03-2025 at Santosh Medical College, Ghaziabad, co-ordinated by the nodal center, Maulana Azad Medical College (MAMC), New Delhi
  4. Training on “Blue Printing and Question Paper Development for New GMER 2024 Regulations” at Santosh Medical College, Ghaziabad, on 25th February 2025
  5. Training on “Biomedical Waste Management: Safeguarding Public Health and the Environment” on 18/01/2025, organized by VMMC and Safdarjung Hospital, New Delhi
  6. Completed Basic Course in Biomedical Research (BCBR) as mandated by the NMC with a score of 71% in Proctored Examination (August 2023)
  7. Hands-on training in “Line Probe Assay” on 24/05/2023, organized by Biomerieux at ESIC Medical College and Hospital, Faridabad
  8. Hands-on-training in “GeneXpert Technology & Software – Xpert MTB/RIF Ultra and Xpert MTB/XDR” on 02/02/2022, organized by Cepheid at ESIC Medical College and Hospital, Faridabad
  9. Certificate course in “Good Clinical Laboratory Practice (GCLP)”, from 25/02/2022 to 25/03/2022, organized by CDSA, THSTI, and DBT in collaboration with ESIC Medical College and Hospital, Faridabad
  10. Hands-on-training in “Genome Sequencing in Infectious Diseases” on 25/11/2021 at MAMC, New Delhi
  11. Training on “Capacity Building and Strengthening of Hospital Infection Control to detect and prevent antimicrobial resistance in India from 29/06/2021 to 30/06/2021”
  12. Training in Paediatric and Gynaecological Microbiology at Rainbow Hospital for women and children, Banjara Hills, Hyderabad (as part of peripheral postings of DNB training)
  13. Attended Workshop on Immunofluorescence for Autoimmune Diagnostics on 31/01/2020 at GITAM Institute of Medical Sciences and Research, Visakhapatnam
  14. Hands-on-training in “QA/QC in clinical bacteriology” on 27/11/2019 at Seth GS Medical College, Mumbai
  15. Attended Parasitology workshop on 06/09/2019 at Tropacon 2019, at KMC, Manipal
  16. Training on Medical Laboratory Quality Management System and Internal Audit (4 days) as per ISO 15189:2012 from 17/06/2019 to 20/06/2019 at Vijaya Diagnostic Center, Hyderabad
  17. Observership and hands-on-training in Molecular biology from 22/04/2019 to 30/04/2019 at Anand Diagnostic Laboratory, Bangalore
  18. Observership in “Ocular Microbiology” from 01/04/2019 to 06/04/2019 at LV Prasad Eye Institute, Hyderabad
  19. Hands-on-training in “Virus Isolation Techniques” on 18/01/2019 at Gandhi Medical College, Hyderabad
    -Attended workshop on “Laboratory Diagnosis of fastidious bacteria with special reference to Mycoplasma pneumoniae & Neisseria gonorrhoeae” on 28/11/2018 at Bangalore Medical College
  20. Attended workshop on “Antimicrobial Stewardship” on 03/10/2018 at HISICON 2018, Gleneagles Global Hospital, Hyderabad
  21. Hands-on-training in “Molecular Techniques” from 17/06/2018 to 20/06/2018 at Credence Diagnostic Centre, Hyderabad
  22. Attended workshop on “Diagnosis of toxin-producing Corynebacterium diphtheria and Vibrio cholerae” on 12/04/2018 at Osmania Medical College, Hyderabad
Research Talks Delivered

International:

  1. Presented poster at the 21st Congress of the International Society for Human and Animal Mycology (ISHAM) 2022
    Title: “Phaeohyphomycosis caused by Rhinocladiella similis mimicking Sporotrichosis”

National:

  1. Presented a scientific paper in the oral category at the 48th National Conference of IAMM, Microcon New Delhi 2025
    Title: “Gastrointestinal pathogens in the molecular era: a multiplex panel‑based study”
  2. Presented a scientific paper in the oral category at the 43rd National Conference of IAMM, Microcon Mumbai 2019
    Title: “Evaluation of In-Vitro Colistin Susceptibility and Clinical Profile of Carbapenem-Resistant Enterobacteriaceae related Bloodstream Infections”
  3. Presented poster at 42nd National Conference of IAMM, Microcon Bengaluru 2018
    Title: “Prevalence, clinical profile and trends in antimicrobial resistance of typhoidal salmonellae at a pediatric tertiary care center in South India”
  4. Presented a scientific paper in the oral category of XV National Conference of the Hospital Infection Society India, HISICON 2018, October 3-6, Hyderabad, India.
    Title: “Prevalence of Needle Stick Injury in A Tertiary Care Hospital in Hyderabad: A Retrospective Study”

State:

  1. Awarded first prize for Best poster (Meghna Krishna Baveja Memorial award) presented at the 1st Quarterly Meet of IAMM Delhi Chapter held on 18th March 2023
    Title: “Prevalence of Pediatric Tuberculosis and Rifampicin Resistance by Cartridge-based nucleic acid amplification test from a tertiary care center”
  2. Awarded first prize (Best paper) for a scientific paper in the oral category (Sri BK Rao Memorial Prize) presented at the Annual conference of XXIII IAMM TAPC Annual State Conference 2020
    Title: “Evaluation of in-vitro colistin susceptibility and clinical profile of carbapenem-resistant Enterobacteriaceae related invasive infections”
  3. Presented poster at XXII IAMM TAPC Annual State Conference 2019
    Title: “Elizabethkingia meningoseptica meningitis and bacteremia in a neonate: A case report”
  4. Presented poster at XXI IAMM TAPC Annual State Conference 2018 Title: “Prevalence and antimicrobial susceptibility pattern of Salmonella enterica serovars Typhi and Paratyphi A & B among children in a pediatric tertiary care hospital in South India”

Invited Talks

National:

  1. Presented a Lecture on “VAE Surveillance” as a Resource person/Faculty in the “Certification Programme in Infection Prevention and Control in Healthcare” held from 5th August to 8th August 2025 at Amrita Hospital, Faridabad
Recognition

Membership

  1. Indian Association of Medical Microbiologists (IAMM) Life Member: LM-3519/22
  2. Indian Association of Medical Microbiologists: Delhi Chapter (IAMM DC) Life Member: LTM-2699
  3. Infection Control Academy of India (IFCAI)

Awards

International:

  1.  Awarded “Cureus Laureate Status”, the highest honor reserved for the most valuable members for extraordinary contributions to the “Cureus Journal of Medical Sciences” (ISSN: 2168-8184) on 15th March 2025
  2. Awarded attendance grant for the 21st Congress of the International Society for Human and Animal Mycology (ISHAM) 2022

National:

  1. Awarded first prize in the Preliminary/Local round in the National Quiz and attendance grant for 5th National Conference on Antimicrobial Stewardship Practices in India, ASPICON 2023
  2. Awarded first prize in the IAMM Quiz 2019 at the 43rd National Conference of IAMM, Microcon Mumbai 2019

State:

  1. Awarded first prize for Best poster (Meghna Krishna Baveja Memorial award) presented at the 1st Quarterly Meet of IAMM Delhi Chapter held on 18th March 2023
  2. Awarded first prize (Best paper) for a scientific paper in the oral category (Sri BK Rao Memorial Prize) presented at the Annual conference of XXIII IAMM TAPC Annual State Conference 2020

Institute Level:

  1. Awarded second Prize in the Quiz Competition organised as a part of World Patient Safety Day Celebrations held from 8th to 17th September 2025 at Amrita Hospital, Faridabad
Conferences

International:

  1. 21st Congress of the International Society for Human and Animal Mycology (ISHAM) 2022

National:

  1. 48th National Conference of IAMM, Microcon New Delhi 2025
  2. 5th National Conference on Antimicrobial Stewardship Practices in India, ASPICON 2023
  3. 43rd National Conference of IAMM, Microcon Mumbai 2019
  4. 42nd National Conference of IAMM, Microcon Bengaluru 2018
  5. XV National Conference of the Hospital Infection Society India, HISICON 2018

State:

  1. 1st Quarterly Meet of IAMM Delhi Chapter 2023
  2. XXIII IAMM TAPC Annual State Conference 2020
  3. XXII IAMM TAPC Annual State Conference 2019
  4. XXI IAMM TAPC Annual State Conference 2018
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