NEW DELHI: The price of commercial LPG refills was raised by Rs 209 on Sunday following an uptick in benchmark rates, but household cylinder rates remain unchanged.The increase comes after two rounds of reductions in August and September totalling about Rs 250. The move will, however, raise the fuel cost of small eateries, sweatmeat shops, caterers and canteens ahead of the festive and marriage seasons when sales rise.After the increase, each blue coloured commercial refill of 19 kg will cost Rs 1,731.50 in Delhi, Rs 1,684 in Mumbai,...