Name the telecommunication companies, which were penalized with Rs.3050 crore by the Digital Communications Commission (DCC), on recommendations by the Telecom Regulatory Authority of India (TRAI).

The Digital Communications Commission (DCC) , on recommendations by the Telecom Regulatory Authority of India (TRAI), approved the penalty of Rs.3050 crore to be imposed on Bharti Airtel and Vodafone Idea for not providing points of interconnection to Reliance as TRAI recommended imposing a total penalty to those network operators for allegedly denying interconnectivity to Reliance Jio in October 2016.The DCC, which is an apex decision-making body of the Department of Telecom (DoT), last month approved imposing a penalty.