1) did karvy stock broking offer you guaranteed returns
2) in stock market you trade at your own peril .
3) stock broker can merely guide you but do not promise any returns . stock market by nature is volatile
4) it is necessary to go through MCA agreement signed by you
5) further the claim filed by you with arbitrators need to be perused and reply filed by Karvy .
6) if The branch manager has given you letter promising you to refund your money then you can hold the company liable provided it is as per terms of agreement signed by you with the broker