new delhi public transport fares as well as cost of cooking and daily commuting in delhi may rise periodically through the year since the citys sole supplier of gas as automotive and kitchen fuels increasingly depends on imported fuel to meet demand that is rising by 20 yearonyearindraprastha gas ltd which sells cng compressed natural gas in the capital and its eastern suburbs such as ghaziabad noida and greater noida is expected to raise retail price of the fuel sold to buses taxis autos and private vehicles by over re 1 a kg every three months or so by december then cng price will go up by over rs 4 a kg or about 78the increase is inevitable because the quantity of gas under government control earmarked for the company is insufficient to meet the growing demand at the same time supplies designated from the andhra offshore fields of reliance industries too have dropped unless the government provides more domestic gas and reliance restores supplies to the stipulated level igl will have to raise retail prices to stay in the black and keep expansion plans on trackmore and more vehicles are switching to the green fuel which is 62 cheaper than petrol and costs 23 less than diesel at present price levels according to government documents igl is buying gas imported in ships liquefied natural gas or lng which costs more than double that of the fuel from domestic fieldsthe centre has set a base price of 42 per unit excluding taxes and transportation charges for gas from reliance and domestic fields of staterun companies in comparison imported gas costs over 12 per unit especially from international spot markets igl began the year by raising cng price by rs 125 per kg to rs 29 per kg on january 1 it also raised price of gas piped to households to rs 26 per unit as it bought more imported fueligl has exhausted the 2 mcmd million cubic metres per day gas earmarked for delhi from fields of staterun firms while reliance has reduced supplies to 015 mcmd from the designated 0308 mcmd as production from its fields has seen a temporary drop government sources said one way the price increase could be moderated would be to pool the allocations for various territories of the ncr