The Congress on Friday demanded a high court-monitored, Central Bureau of Investigation inquiry into the alleged Rs.20,000 crore food grain scam in Punjab."The Akali Dal-BJP government in Punjab has the dubious distinction of first emptying the coffers of the state and now even food grains are disappearing from the state. This is a very serious situation as it is connected with the food security of the country," said Congress spokesperson Manish Tewari at a press conference here."Punjab is a producing state from where procurement takes place, a large amount of storage takes place and if the reports of disappearance of food grains is true, it calls for a court monitored CBI enquiry. This definitely calls for at least a HC-monitored CBI inquiry," he added.The Punjab government, however, on Friday refuted the charge of any disappearance of foodgrains from godowns in the state. It also said that all stocks procured over the years have been duly accounted for and handed over to Food Corporation of India (FCI), through well-documented audited transactions.It also said that all the queries raised by FCI have been satisfactorily answered by them.