Indraprastha Gas Limited (IGL) received a letter of intent (LoI) from the Petroleum and Natural Gas Regulatory Board (PNGRB) on August 9, 2016, for the grant of authorisation to develop a city gas distribution (CGD) network in Rewari district in Haryana. The PNGRB has asked IGL to submit a performance bank guarantee for Rs 10.52 billion.