Currently, Dr. Ashok Kumar Sinha is the Head of Orthopaedic Department…read more at PNH. He has worked with Dr. B. Mukhopadhyaya and Dr. John for 18 years. Dr. Sinha has successfully performed more than 4,000 spine ailment surgeries and over 6,000 Illizarov Technique of Bone Fixation surgeries. He is also credited with several Total Knee Replacement surgeries and has handled incalculable number of Trauma cases. read less