Income tax exemption for senior citizen

For claiming SC exemption limit for AY 11-12, the assessee should be of the age of 65 yrs or more at any time during FY 10-11. Since in this case, 65 yrs is being completed in June 2011, the said benefit would not be available and the basic exemption would be Rs.160000

he is not a senior citized for a/y 2011-12 so basic exemption limit for him is Rs. 160000/-

your grandfather turns 65yrs  during f.y 2011-2012 ,so he is eligible for exemption of   Rs 240000 /- in the a.y 2012-2013 & for  a.y 11-12    his limit will be Rs 160000/-.................

and you can calculate your tax at https://taxbykk.blogspot.com/