Tata Power Delhi Distribution Limited
Tata Power Delhi Distribution Limited (TPDDL), formerly North Delhi Power Limited (NDPL), is an Indian electric utility serving the northern and western parts of Delhi. It is a joint venture between the Government of NCT of Delhi and Tata Power Company Limited, which holds a 51% majority stake in the venture.
Source: Wikipedia — Tata Power Delhi Distribution Limited (CC BY-SA 4.0)