New Delhi, May 29 (ANI): Blaming Congress vice-president Rahul Gandhi for the party's embarrassing defeat in the Lok Sabha election, a senior party leader in Kerala TH Mustafa termed him a 'joker' and demanded his removal from the post. Mustafa, a former minister, also demanded Rahul Gandhi's sister Priyanka Gandhi be made the new party chief. While the Congress condemned its minister's remark, the BJP said the party must introspect the reason for their drubbing defeat.