India, May 9 -- Trinamool Congress (TMC) chief Mamata Banerjee on Saturday called for all opposition parties in West Bengal to unite under a "joint platform" to fight the BJP, which took over the reins of the state from the TMC after 15 years in power.

The former chief minister also called upon the student unions opposed to the BJP and even NGOs to unite against the BJP.

Mamata's message came even as Suvendu Adhikari took oath as the chief minister of Bengal, becoming the first BJP leader to do so. Mamata's party suffered a massive defeat in the state elections, with the BJP getting over two-thirds majority on May 4.

"I call upon all opposition parties, including the Leftists and the ultra-Left, to come together to form a joint platfor...