"I have no hesitation whatsoever in declining to serve on the Committee whose terms of reference have been prepared in a manner to guarantee its conclusions. It is, I am afraid, a total eyewash," he said in a letter to Union Home Minister Amit Shah. 

"Furthermore, I find that the current LOP in the Rajya Sabha has been excluded. This is a deliberate insult to the system of Parliamentary democracy. In these circumstances, I have no option but to decline your invitation," Chowdhury said in the letter.