Booking amount calculation : Booking amount is 10%, it is to be calculated as 10% of the stall size in sq. mtr. multiplied by rate. e.g. if you are booking a stall stall size 3x3, the calculation will be 9 MTR x10% = 0.9 MTR x Rate 9000 per sq. mtr. = 8100 + 18% GST = INR 9558 only