Shri Sanjay Singh,
   Under Secretary,(NOS)
   Shastri Bhawan
   Dr. Rajendra Prasad Road, New Delhi-110001
   Telephone: 011 23384023 (Tuesday and Thursday from 3PM to 5PM)
   Email Id: Sanjay[dot]singh68[at]nic[dot]in

For any technical query please contact at : 011-23070579