First think i would be doing is remove the FBT and others charges and charge 5% for below 5lakhs 10% for up to l0lakhs and 20% for 20lakhs and 30 % for above 20lakhs. Upto 2lakhs there is excempted. above 2lakhs there is tax slab should start Only 1lakh for 80C/80D. Home loan interset - 1.5lakhs.
