I cheked Praveen sharma's and M P Vijay kumar's Book and found that,
Q.1) Holding Co.-M .P Vijay kumar( excluding some adjustments)
Q.3) Val. of Buss.-M.P Vijay Kumar ( same one with diff. figure)
Q.5)a) Fund accounting- M.P.Vijaty kumar(same one with diff. figure)
Q.5)b) Leasing(AS-19)-Praveen Sharma(same one with diff. figure)
Best of Luck for MAFA