Shares of Indraprastha Gas Limited (IGL) and Mahanagar Gas Ltd (MGL) rose up to 3.5% on July 4 as the Petroleum and Natural Gas Regulatory Board has approved reforms to the Natural Gas Pipeline Tariff Regulations, 2025.

IGL shares jumped nearly 3 percent to trade at Rs 226 apiece. The shares of the company have gained nearly 5 percent in the past five days, and nearly 8 percent in the past one month. The stock however fell nearly 13 percent in past one year.

MGL shares meanwhile gained around 2.5 percent to trade at Rs 1,543 apiece. The stock has gained over 3.5 percent in the past five days, and nearly 19 percent in the past one month. It jumped over 21 percent in the past six months, but fell over 7 percent in the past one year.

The two stocks were among the top gainers on the Nifty Oil & Gas index.