New Delhi, April 01 (ANI): As Delhi is all set to face a sharp hike in the power and water tariff from April 1, BJP leader VK Malhotra said that Arvind Kejriwal, who is the biggest liar among all politicians, is responsible for the same. He said that Kejriwal kept no allowances of tariff post March 31 and now is requesting the Governor to halt the tariff hike which is in vain. Delhi residents earlier, enjoyed free water and less power tariffs scheme which ended March 31 due to lack of allowances for the same.