B 1661, Shastri Nagar (N), , Delhi - 110052, Delhi, India
C/O , Batra Hospital & Medical, Researh Centre, 1, Tughlakabad, , Delhi - 110044, Delhi, India
Office No 501, 5th Floor, Krishna Apra Tower, Netaji Subhash Place Complex-Pitampura, , Delhi - 110034, Delhi, India
C 4, 1st Floor, Masoodpur, Vasant Kunj, , Delhi - 110070, Delhi, India
A-2- Office No 106 1st Floor, Sharma Complex, Laxmi Nagar, , Delhi - 110092, Delhi, India