Public sector Oil companies have slashed the price of non subsidised cooking gas by over 20 rupees per cylinder. In Delhi, now it will cost 466 rupees and 50 paise per cylinder, in Kolkata 491 rupees, 468 rupees in Mumbai and 477 rupees 50 paise per cylinder in Chennai. The new rates came into force last night.<br/><br/>However, the price of subsidised cooking gas has gone up marginally by about two rupees. In Delhi, it will be 425 rupees and 6 paise per cylinder, in Kolkata 427 rupees 6 paise rupees, in Mumbai 452 rupees 53 paise rupees and in Chennai 412 rupees 56 paise per cylinder.