Yes you are right, Communist are the Worst Swine for Indian Growth and Prosperity, They will Swear by Maosim not on Indian National Anthem.
But Congress should have takn BJP into confidence and Manmohan was under Impression what the BJP can do when Left is with them as both ar sworn enemies, it is Egosim and Left Centeric comfortness which took BJP to this situtaion, and as susal they will talk whatever they can it ino thier mouth, the big guy in them is Sibal and Jayanthi Natarajan.