Lucknow/Hyderabad, May 21 -- As part of his efforts to unite the opposition, Andhra Pradesh chief minister and Telugu Desam Party leader N Chandrababu Naidu held a meeting with his West Bengal counterpart, Mamata Banerjee, at her Kolkata residence in Kalighat, on forming a non-Bharatiya Janata Party government at the centre in case of a hung verdict....