As par the Chapter IV OBLIGATIONS OF THE ACCESS PROVIDERS AND TELEMARKETERS, (17):
Service Provider not to send unsolicited commercial communications
–No service provider shall, without prejudice to the terms and conditions of its licence or any penalty which may be imposed under its licence, send any unsolicited commercial communication to its subscriber after expiry of forty five days from the date on which such subscriber makes a request under regulation 7 for registration in the National Do Not Call register.

For any Complaints or Queries related to DND services, send a mail to
helpline@ndncregistry.gov.in

i dr gulab singh a consumer of idea cellular my cell no is 9506441110 i have opted dnd option in applicaton form during applying for service od idae cellular but even after about a year even after repeated request they are not responding turnig deaf ear 2 my request i am just wandering 2to find suitable place to complain against this cheater idae celluler company