Kolkata, Jan 25 (ANI): Chandra Bose, grand nephew of Netaji Subhas Chandra Bose, is all set to join the Bharatiya Janata Party (BJP) on Monday. Bose also met party president Amit Shah in the guesthouse. Talking to reporters after meeting Shah, Bose said that he'll reveal his reason for joining BJP once it happens. Bharatiya Janata Party leaders also chose to keep mum. He added that declassification is surely one of the reasons behind this decision, but principle ideology of a party matters. He further said that BJP believes in Netaji's ideology, which was wiped during the Congress regime.