Smt. Alka Diwan By Pranav Desai on March 03, 2014 in Disability Commissioners Commissioner for Persons with Disabilities, Administration of Dadra & Nagar Haveli. Central or State or Local : State Address : Sachivalaya, Silvassa (P.O.), City : Dadra & Nagar Haveli Pincode : 396230 Phone : (0260) 2633110 (O) Fax : 2642787, 2642043