The question is not why Mamata Banerjee is doing this, the question is how dare she support corruption so openly and in such a brazen manner and still expect to win elections.
The disgruntled opposition will give the anti-incumbent 'Modi Sarkar' a challenge, but the PM still enjoys massive popularity amongst masses as the Modi wave is far from over just yet.
Narendra Modi never questioned CBI unlike Mamata Banerjee.
If Congress fell into the trap of regional parties and strengthen the regional parties just to oppose Narendra Modi, Congress is doing nothing but destroying itself and digging own graveyard.
Biswa Bangla is also a 100% government-owned company which provides handlooms and other handicraft material associated with West Bengal
"The end comes soon. We hear drums, drums in the deep. They are coming."
It isn’t a guarantee that an alliance will necessarily work in 2019.