Capital gain account scheme

rohit (student) (54 Points)

15 May 2013  

if the final capital gain amount is invested in bonds for a period of three years and if the assesse is not further interesed to purchase property in future then will the capital gain be duducted after completion 3 years ? 
n hw much amount should it be  invested  in the bonds !!
suppose mr X get 5 lakhs so should mr X put all the 5 lakhs or nly the capital gain amount @ 20% that is nly 1lakh ??