Left is not united anywhere. Only place where communism was showcased earlier was USSR, its gone now. Now only country left is China, its time will come as well. Currently Venezuela is shining bright as an example of socialistic Communist govt.
It doesn't work. History is witness.
As for Amit shah and Loya, congis couldn't fix shah modi duo when in power what makes you think they will succeed now?
Strength through unity? Unity of leftists?
But I like your attitude, I wish you even more strength of conviction in your beliefs for when despair comes, it will bury you alive.