Thr is possibilities of changing passenger within family members, is it possible to change my mother's tkt with niece(big B's daughter), mom is 59(Sr Ctzn), whr niece is 14 and how to settle the extra amount, coz @ the age of 14 it will be full tkt, whr my mom got concession of sr ctzn, tkt is of 25/07/13 (bksc-ndls) 3AC