Treatment of LTCG in case of joint ownership?

BHUPENDER SINGH (CA Final) (35 Points)

21 June 2013  

Flat purchased on 05/12/2005 for Rs. 11,50,000 in joint name of Father & Son.

Same flat sold on 05/12/2012 for Rs. 63,50,000.

LTCG on sale Rs. 43,78,571.

New flat purchased on 26/12/2012 for Rs. 63,00,000 in joint name of Father, Son & Son's Wife.

How should LTCG exemption be taken u/s 54.