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 (820) on Google.

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Internal Medicine
Experienced diabetologist & General physician at Diha Clinic, Nanganallur, Chennai.

Dr. Sudha Balasubramanian, M.B.B.S, DNB

(Internal Medicine and Preventive Healthcare), 30+ years of experience.

Mon – Fri / 4:30 PM to 7:30 PM (Book Appointment)

Dr Sudha Balasubramanian has been in the field of Internal Medicine and Preventive Health Care for more than 30 years. She obtained her MBBS from Kilpauk Medical College (1991), and received a Diplomate of National Board (General Medicine) in 1999, from Government Royapettah Hospital, Chennai.

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Internal Medicine

Dr. Vishnu Shankar, M.B.B.S, MD (Gen. Med.), Fellowship in Diabetology (CCEBDM).

(General Physician & Diabetologist), 10+ years of experience.

Mon – Sat / 5:00 PM to 7:00 PM (Book Appointment)

Dr. Vishnu Shankar has been in the field of Internal Medicine and Diabetology for 10 years. He obtained his MBBS from Shri Sathya Sai Medical College and Research Institute, Chengalpattu (2015), and MD (Internal Medicine) from Saveetha Medical College and Hospital, Chennai. He also has a Fellowship in Diabetology (CCEBDM). Previously he consulted at Hindu Mission Hospital and Saveetha Hospital.

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ENT specialist (Otorhinolaryngologist) at Diha Clinic, Nanganallur, Chennai, for ear, nose, and throat care.

Dr. Renish Darby G, M.B.B.S., D.L.O (ENT)., MD (General Medicine)

(General Physician & Diabetologist), 14 years of experience.

Mon – Sat / 10 AM to 12 PM (Book Appointment)

Dr. G. Renish Darby is a General Physician and Diabetologist from Chennai and has 14 years of experience in this field. He completed MBBS from Sree Balaji Medical College and Hospital, Chennai in 2011 and Post Graduation Diploma in Otorhinolaryngology (DLO) from Madras Medical College (MMC), Chennai in 2016. He did his CCEBDM (Diabetology) from PFHI, Delhi in 2022. He later did his MD General Medicine) from The Tamil Nadu MGR Medical University in 2025.

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Internal Medicine

Dr. Sai Niranjan, M.B.B.S,

(General Physician), 7 years of experience.

Mon – Sat 9 AM to 2 PM (Book Appointment)

Dr. Sai Niranjan is a General Physician who completed his MBBS, in 2018, from Tirunelveli Medical College and Hospital. He earlier worked at Sugam Hospital and Geri Care. He has been a Duty Medical Officer at two other hospitals.

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ENT
ENT

Dr. Kamya Mohan, M.B.B.S., DLO, DNB

ENT/ Otorhinolaryngologist, 11 years of experience

Mon – Sat / 10 AM to 1 PM (Book Appointment)

Dr. Kamya Mohan is an ENT/ Otorhinolaryngologist and has 11 years of experience in this field. She completed MBBS from Govt. Medical College, Thrissur, Kerala (2013); Diploma in Otorhinolaryngology from MMC, Chennai (2018) and DNB from KKR ENT Hospital and Research Institute, Chennai (2021). She earlier worked as Assistant Surgeon at Govt. Paramedical Institute, Palakkad, Kerala.

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ENT specialist (Otorhinolaryngologist) at Diha Clinic, Nanganallur, Chennai, for ear, nose, and throat care.

Dr. Renish Darby G, M.B.B.S., D.L.O (ENT)., MD (General Medicine)

ENT/ Otorhinolaryngologist, 14 years of experience

Mon – Sat / 5.30 PM to 7.30 PM (Book Appointment)

Dr. G. Renish Darby is an ENT/ Otorhinolaryngologist from Chennai and has 14 years of experience in this field. He completed MBBS from Sree Balaji Medical College and Hospital, Chennai in 2011 and Post Graduation Diploma in Otorhinolaryngology (DLO) – ENT, from Madras Medical College (MMC), Chennai in 2016. He did his CCEBDM (Diabetology) from PFHI, Delhi in 2022. He later did his MD General Medicine) from The Tamil Nadu MGR Medical University in 2025.

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ENT

Dr. Nirmal Kumar, M.B.B.S, DLO, DNB (ENT), Fellow in Airway Surgeries

ENT, Head & Neck Surgeon, 15 years of experience

Mon to Sat – 12:30PM to 2.00PM (Book Appointment)

Dr Nirmal Kumar is an experienced ENT specialist/ Otorhinolaryngologist with over 15 years of experience. He holds an MBBS from the Sri Ramachandra Medical College in Chennai, a Diploma in Otorhinolaryngology (DLO) from the Madras Medical College and a Diplomate of National Board (DNB) from the Southern Railway Headquarters Hospital, Chennai.

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Diabetology
Experienced diabetologist & General physician at Diha Clinic, Nanganallur, Chennai.

Dr. Sudha Balasubramanian, M.B.B.S, DNB

(Internal Medicine and Preventive Healthcare), 30+ years of experience.

Mon – Fri / 4:30 PM to 7:30 PM (Book Appointment)

Dr Sudha Balasubramanian has been in the field of Internal Medicine and Preventive Health Care for more than 30 years. She obtained her MBBS from Kilpauk Medical College (1991), and received a Diplomate of National Board (General Medicine) in 1999, from Government Royapettah Hospital, Chennai.

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Diabetology

Dr. Vishnu Shankar, M.B.B.S, MD (Gen. Med.), Fellowship in Diabetology (CCEBDM).

(General Physician & Diabetologist), 10+ years of experience.

Mon – Sat / 5:00 PM to 7:00 PM (Book Appointment)

Dr. Vishnu Shankar has been in the field of Internal Medicine and Diabetology for 10 years. He obtained his MBBS from Shri Sathya Sai Medical College and Research Institute, Chengalpattu (2015), and MD (Internal Medicine) from Saveetha Medical College and Hospital, Chennai. He also has a Fellowship in Diabetology (CCEBDM). Previously he consulted at Hindu Mission Hospital and Saveetha Hospital.

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ENT specialist (Otorhinolaryngologist) at Diha Clinic, Nanganallur, Chennai, for ear, nose, and throat care.

Dr. Renish Darby G, M.B.B.S., D.L.O (ENT)., MD (General Medicine)

(General Physician & Diabetologist), 14 years of experience.

Mon – Sat / 10 AM to 12 PM (Book Appointment)

Dr. G. Renish Darby is a General Physician and Diabetologist from Chennai and has 14 years of experience in this field. He completed MBBS from Sree Balaji Medical College and Hospital, Chennai in 2011 and Post Graduation Diploma in Otorhinolaryngology (DLO) from Madras Medical College (MMC), Chennai in 2016. He did his CCEBDM (Diabetology) from PFHI, Delhi in 2022. He later did his MD General Medicine) from The Tamil Nadu MGR Medical University in 2025.

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Orthopaedics
Orthopaedics

Dr. Praveen Ravi, M.B.B.S., M.S., DNB.(Ortho), FASM (ISAKOS), FAOrthA (Aus)

(Orthopaedic Surgeon), 8+ years of experience.

Mon – Sat / 5:00 PM to 7:00 PM (Book Appointment)

Dr. Praveen Ravi completed MBBS from Kasturba Medical College, Mangalore in 2017 and MS in Orthopedics at Sri Ramachandra Medical College, in 2020. He has also procured his DNB in Orthopaedics from the NBE, in 2021.

Further, he pursued a Fellowship in Arthroscopy and Sports Medicine at Ortho One Orthopedic Specialty Center, Coimbatore, in 2023, followed by an Australian Orthopaedic Association accredited fellowship in Arthroscopy and Arthroplasty in Sydney, Australia, in 2024.

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Orthopaedic doctor at Diha clinic ,Nanganallur, Chennai

Dr. N. Gopalaratnam, M.B.B.S, D. Ortho.

(Orthopaedic Surgeon), 32 years of experience.

Mon – Sat / 10:00 AM to 1:30 PM (Book Appointment)

Dr N. Gopalaratnam has more than 32 years of experience in general orthopaedics, orthopaedic trauma, and arthroplasty. He completed his MBBS at Stanley Medical College (1975) and obtained his postgraduate diploma from Madras Medical College in 1987. He was awarded ‘Best Doctor’ recognition by Tamil Nadu Dr. M.G.R Medical University in 2012.

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Bone Specialist at Diha clinic ,Nanganallur, Chennai

Dr. Niranjanan M Raghvn, M.S (Ortho), FRCS., (Trauma & Orth), Fellow in Spinal Disorders

(Orthopaedic Surgeon), 15 years of experience.

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Dr. Niranjanan M Raghavn completed MBBS from Mahatma Gandhi Medical College & Research Institute, Pondicherry in 2008, MS – Orthopaedics from Madras Medical College, Chennai in 2013 and DNB – Orthopedics/ Orthopedic Surgery from DNB board, New Delhi in 2014.

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Bone Specialist at Diha clinic ,Nanganallur, Chennai

Dr Niranjanan M Raghvn M.S (Ortho), FRCS., (Trauma & Orth), Fellow in Spinal Disorders

(Orthopaedic Surgeon), 15 years of experience.

On Appointment

Dermatology
Skin Doctor at Diha clinic ,Nanganallur, Chennai

Dr. Aravind Baskar M, M.B.B.S., MD
(DVL)., DNB (DVL)

(Dermatologist), 8 years of experience

Tue to Sat  –  6 pm to 8 pm. (Book Appointment)

Dr. Aravind Baskar M, Dermatologist, is currently Assistant Professor, SRM Medical College and Research Institute, Chennai. He completed MBBS from Indira Gandhi Medical College & Research Institute, Puducherry and his post-graduation in Dermatology (MD, DVL) from Tirunelveli Medical College Hospital, Tirunelveli and DNB from Natboard.

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Dermatologist and cosmetologist at Diha Clinic, Chennai, offering skincare and cosmetic treatments.

Dr. Chithra Thenramasamy, M.B.B.S, DDVL, AMC.

(Dermatologist & Cosmetologist), 10+ years of experience

Tuesday – 10 to 11 AM (Book Appointment)

Dr Chithra Thenramasamy is a dermatology and cosmetology consultant with strong expertise in trichology, dermatology and skincare procedures. She completed her MBBS from the KAP Viswanathan Government Medical College and her Post Graduation in Dermatology (DDVL) from the Madras Medical College.

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Gynaecology
Gynecologist Diha clinic ,Nanganallur, Chennai

Dr. Krithika Meenakshi, MS (O&G) MRCOG (UK) DNB (O&G) MNAMS FMAS, FCR, CIMP

(Obstetrician and Gynaecologist), 11 years of experience.

Mon – Sat 5.30 PM to 6.30 PM (Book Appointment)

Dr. Krithika Meenakshi is an alumnus of SRM University and has over 11 years of experience treating women for all health issues related to fertility, menstruation and menopause. She is a member of Royal College of Obstetricians and Gynaecologists, has a fellowship in minimal access surgery and is an ICOG-certified fertility specialist.

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Paediatrics
Pediatrician providing child care at Diha Clinic, Nanganallur, Chennai.

Dr. Lalitha Janakiraman, MBBS, MD (Ped.),
DCH, MAMS

(Paediatrics), 40+ years of experience

Mon – Wed / 10:00 AM to 1:00 PM (Book Appointment)

Dr. Lalitha Janakiraman, who was earlier Head of Dept. of Pediatrics, Kanchi Kamakoti CHILDS Trust Hospital, has over 42 years of experience treating children for various health issues. She obtained her MBBS from Mangalore University (1982). She speaks Tamil, Malayalam, Hindi and English and has numerous publications to her credit.

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Cardiology
Experienced Cardiologist at Diha Clinic, Nanganallur, Chennai, providing expert heart care

Dr. G. Ashok, M.B.B.S, M.D, DM.

(Consultant Interventional Cardiologist), 15 years of experience.

Tue to Sat 4.30 pm to 5.30 pm (Book Appointment)

Dr G. Ashok completed his MBBS from Vinayaka Mission Medical College (Salem), and MD (Cardiology) from Thanjavur Medical College and Hospital. He went on to receive a DM (Cardiology) from Institute of Cardiology, Madras Medical College.

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Urology
Urology

Dr. Abishek Karthik, M.B.B.S, MS (Gen Surg.), DNB (Gen. Surg.), M. Ch. Urology.

(Urologist & Surgeon), 9+ years of experience.

Mon, Wed & Sat / 6:00 PM to 8:00 PM (Book Appointment)

Dr. Abishek Karthik obtained his MBBS from Sri Ramachandra Medical College and Research Institute, Chennai (2016), and MS (General Surgery) from Mahatma Gandhi Mission’s Medical College Hospital, Navi Mumbai (2021). He also did his DNB (Gen. Surg.) and M.Ch. Urology at Meenakshi Academy of Higher Education & Research (2025), He is also a Consultant Urologist at Chennai Urology & Robotics Institute (CURI).

He provides comprehensive evaluation and management of urinary and male reproductive system disorders. His experience includes management of a wide spectrum of urological conditions, including endourology, uro-oncology, andrology, and reconstructive urology.

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No 6, 6th Main Road, Opp.Indian Bank. Nanganallur, Chennai - 600061

About Diha Clinic

Diha is a multi-speciality clinic that brings high-quality healthcare at a reasonable cost to Nanganallur, Chennai, and the surrounding areas. It is a not-for-profit clinic, set up by the Diha Trust.

It’s an outpatient facility that offers quality healthcare across General Medicine, Diabetology, Orthopaedics, Obstetrics & Gynaecology, Paediatrics, Cardiology, Dermatology, ENT & Physiotherapy. It has an NABL accredited Lab and also offers ECG, Echo, TMT, X-Ray and Ultrasound inhouse.

Places we serve: Our customers mostly come from Nanganallur, Adambakkam, Madipakkam, Alandur, Medavakkam, Pazhavanthangal, Keelkattalai, Puzhuthivakkam, Ullagaram, Guindy, St. Thomas Mount, Meenambakkam, Velacherry & more.

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