Ministry of Communications
 ๐ Ministry of Communications  It consists of two main departments:  1. Department of Telecommunications (DoT)  2. Department of Posts (India Post)   ๐ก Under the Department of Telecommunications (DoT)  ๐ข Public Sector Undertakings (PSUs)    Bharat Sanchar Nigam Limited (BSNL)  Government-owned telecom service provider.    Mahanagar Telephone Nigam Limited (MTNL)  Operates telecom services in Mumbai and Delhi; subsidiary of BSNL.    ITI Limited (Indian Telephone Industries Limited)  India’s first PSU; manufactures telecom equipment.    Telecommunications Consultants India Limited (TCIL)  Engineering and consultancy company providing telecom and IT services globally.     ๐งช Research & Development Institutions    Centre for Development of Telematics (C-DOT)  – New Delhi & Bangalore  Telecom technology development center of the Government of India.    Telecom Engineering Centre (TEC)  – New Delhi  Technical wing of DoT; responsible for telecom standardization, specifications, an...