Karvy is the full time brokrage Agency, I opend an trading and demate account in 2014, Trust me guys they are really playing with you, Definitely u must need knowledge about brokerage, Otherwise you will lose your money, At the time of opening I made lots of mistakes, I lose some money so I want to know how I lost money who behind for that, So I spend lots of time nearly one year , truth is no one transparent, After I analyed my ledger and review on my profit lose report I was shocking because Agency was main reason for that, 1. They not transparent, 2.Levied Percentage brokerage, 3.Poor customer service, 4.Failed to give good suggestions, 5.They are very tricky , Using Very good marketing strategy.6.Brokers not told anything on your branch .People need more awareness regarding Stock brokers.Dont waste your money on karvy , Go with online discount brokers, They offer fixed broker fees, It leads to get more chances of getting profits.