KOCHI: In what seems to be a blow to the middle class households, the price of cooking gas has got costlier by Rs 25. The hike is for domestic cylinders. The new rate has come into effect from today. In Kochi, the price per cylinder is Rs 801. This is the second increase in the price of cooking gas in February. Meantime, the price of cylinder for commercial use has been reduced. Rs 5 has been reduced per cylinder.