Explanation:

Hindustan Petroleum Corporation Ltd. (HPCL) and State-run Convergence Energy Services Ltd. (CESL) collaborated for setting up EV Charging stations in metro cities across India including Delhi NCR, Mumbai, Pune, Chennai, Hyderabad, Bengaluru. CESL and HPCL will identify major highway across India where adequate charging infrastructure could be installed and established.
Hindustan Petroleum Corporation Ltd. is a subsidiary of Oil and Natural Gas Corporation. Its headquarter is in Mumbai. It has approximately 25% market-share in India among public sector understandings and has a strong marketing infrastructure.
State-run Convergence Energy Services Ltd is a subsidiary of state-owned Energy Efficiency Services Limited. It is a joint venture of public sector companies under the Ministry of Power, Government of India.