Mumbai/Lucknow/New Delhi, May 13 -- Mumbai/Lucknow/New DelhiSeveral states on Tuesday announced austerity measures, including reduction in official convoys, curbs on foreign travel, virtual meetings and greater use of public transport, following Prime Minister Narendra Modi's appeal to conserve fuel and cut non-essential expenditure amid rising global energy prices. In Maharashtra, chief minister Devendra Fadnavis directed ministers not to use government aircraft except for urgent official work, with such requests requiring his approval. Ministers also began cutting down travel and shifting to virtual meetings. In Uttar Pradesh, chief minister Yogi Adityanath ordered a 50% cut in the number of vehicles accompanying ministers and officials i...