Shares of City Gas Distribution (CGD) companies like Indraprastha Gas (IGL) and Mahanagar Gas (MGL) tanked up to 10 per cent on the BSE in Friday’s intra-day trade amid heavy volumes. The moves follow Delhi government submitting a policy on electric vehicle (EV) adoption by cab aggregators, delivery service providers and E-comm entities for final approval by the Lieutenant Governor. Shares of IGL slipped 10 per cent to Rs 411.75, its lowest level since April 2023, on the back of heavy volumes. The average trading volumes on the counter jumped over three-fold today. A combined 9.1 million equity shares changed hands on the NSE and BSE.