New Delhi, Nov 11 (ANI): Congress leader Shakeel Ahmad on Monday said that his party has approached the Election Commission complaining that BJP's chief Ministerial candidate for Delhi Dr. Harsh Vardhan had made distorted claims on polio eradication. Congress is demanding cancellation of Dr Vardhan's nomination alleging that he has made wrong claims on polio eradication when he was the union health minister in Atal Bihari Vajpayee's cabinet.