Delhi Lt Governor VK Saxena and Chief Minister Arvind Kejriwal today flagged off 400 electric buses, taking the number of such buses to 800 in the national capital. The flag-off event happened at the IP Depot in Delhi. "The number of electric buses has now gone up to 800 in Delhi. I want to congratulate Delhiites on this," Delhi Transport Minister Kailash Gahlot said at the flagging off event.