New Delhi, May 2 -- Fuel costs for migrant workers, community kitchens, canteens, roadside dhabas and industrial users surged by over 47% on Friday as state-run oil companies raised prices of commercial liquefied petroleum gas by Rs.993 per 19-kg refill and Rs.261.50 per 5-kg cylinder. Public sector oil marketing companies also raised aviation turbine fuel prices for foreign airlines from May 1. ATF for international carriers was raised by $76.55 per kilolitre to $1,511.86 per KL, a 5.3% increase. Bulk diesel prices were raised 8.75%, from Rs.137 per litre to Rs.149, for bulk buyers including railways, state roadways, telecom towers, and infrastructure, construction, mining and agriculture sectors. Bulk diesel is not sold at retail pumps. T...