दूरसंचार विभाग
http://www.dot.gov.in/circulars/circular-and-notifications/circular-and-notifications/circular-and-notifications/2328
Felt so hopeless looking for answers to my quoeiisns...unttl now.
- भारत सरकारGOVERNMENT OF INDIA
- संचार मंत्रालयMinistry of Communications