New Delhi: The Central government on Monday admitted before the Delhi High Court that junk food causes health hazards, including heart problem, and said guidelines would be framed to serve good quality food in schools and colleges.The government said it has invited proposals from experienced agencies, organisation and institutions for framing guidelines for providing safe food in educational institutions. Filing an affidavit before the division bench of Chief Justice Dipak Misra and Justice Sanjiv Khanna, the health ministry claimed that it has written to all states and union territories to consider issuing instructions for withdrawing carbonated beverages and junk food from school and college canteens. The court was hearing a plea for a ban on the sale of junk food and carbonated drinks near the educational institutions. (IANS)