New Delhi, May 6 -- Efforts for government formation picked up pace in Tamil Nadu, West Bengal, Kerala, Assam and Puducherry with the parties and alliances that won the polls also making preparations for oath-taking ceremonies.

West Bengal Chief Minister Mamata Banerjee has refused to step down as Chief Minister.

In Tamil Nadu, where Tamilaga Vettri Kazhagam emerged as the single-largest party, its chief Vijay is unlikely to take oath on Thursday.

The actor-turned politician is firming up support to cross the majority mark in the Tamil Nadu assembly, sources said on Wednesday.

They said TVK "does not have official figures as of now" and the Governor is apparently not convinced about the numbers so far.

TVK won 108 seats in the 234-me...