New Delhi: Priyanka Gandhi Vadra is facing the heat for a controversial reference to IIT Madras Director V Kamakoti while speaking in Parliament. As many as 215 academicians have written an open letter to Priyanka, objecting to her ‘gau mutra expert’ remark targeting Kamakoti, PTI reported. ADVERTISEMENTAccording to the big group of academicians who signed the letter, including vice-chancellors and former vice-chancellors, mockery cannot be a substitute for reasoned engagement. “We write to express our disappointment over your reported remark describing IIT Madras Director Professor V Kamakoti as a ‘gaumutra expert’. “Scientific temper is not merely scepticism towards unconventional ideas; it is equally the willingness to examine claims objectively before accepting or rejecting them,” the academicians lectured.