If you take 3500/- plan 3500, then it will be 0.03% on both buy and sell amount. Lets say you buy total 60000 (brokerage will be 18 rupees plus tax ) . If you sell at 62000 (brokerage will be 18.6 plus tax). Tax is compulsory for all transaction. So in end you have to pay 37 rupess to ventura