Sharma, who is a senior spokesperson of the party, also cited the example of Jayant Sinha, son of senior BJP leader and former Finance Minister of NDA government Yashwant Sinha in this regard.
Jayant is contesting from Hazaribagh seat in Jharkhand, which was earlier represented by his father, who is not fighting this Lok Sabha poll.
"I meet him (Chidambaram) regularly. He has not commented on it. I am not privy to any such thing. I am also not in Central Election Committee. But people do take these decisions in all political parties. There are people in all parties, who make way for the next generation. In the BJP also, some senior leaders have taken the decision," Sharma told reporters at the AICC headquarters.
Vehemently denying contentions that Congress stands increasingly isolated in Tamil Nadu, he said that both the political parties (DMK and AIDMK) have been "tilting one way or the other" according to their political expediency.
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He said that Congress remained a vibrant movement till date as the party always infused young blood. "There may be seniors, who feel that let the space be created for young leaders. This should not be seen as some crisis."
Sharma also rubbished contentions that Chidambaram and other senior Congress leaders might be "shying away" from fighting polls fearing decimation more so in Tamil Nadu, where the party is on a sticky wicket after getting no allies.
"That is part of orchestrated campaign. I reject it. There is no force in Indian politics which can decimate the 130-year-old party. If anybody thinks that, it should be first dusted out from their mind," he said.