The Congress on Monday took a swipe at Bihar Chief Minister Nitish Kumar with another chameleon barb and 'aaya Kumar, gaya Kumar' jibe at him, a day after the JD(U) leader's latest volte-face in Bihar. Kumar on Sunday resigned as the Chief Minister of Bihar, saying "things were not working well" for him in the Mahagathbandhan or the grand alliance and the opposition bloc INDIA, and formed a new government with the BJP, which he had dumped less than 18 months ago. In a post in Hindi on 'X', Congress general secretary Jairam Ramesh said, "Girgit ko bhi karni padi naye rang ki khoj, ye shoorveer badalte hain itne rang roz (Even the chameleon had to search for a new colour as these 'warriors' change so many colours everyday)." Speaking with reporters in Uttar Dinajpur in West Bengal during the Bharat Jodo Nyay Yatra, Ramesh said, "What can I say? I said yesterday 'aaya Kumar, gaya Kumar'. Nitish Kumar gives a tough competition to a chameleon." Ramesh swipe was a word play on the ...