Income tax for full time stock trader

My query is as follow 

I am Full time stock trader / investor and sub broker also

Last years my income is as follow 

Got Brokerage Of rs 200000/-
Short Term Capital Gain 400000/-
Intraday / Fut Loss - 150000/-
Long Term capital Gain 300000/-


* while trading I have paid 60000/- of STT, 
* investment I have took loan against shares for which i paid 150000/- interest in during financial year.


*Now my problem is how should i file my income tax return as ? 
*what will be my tax liability ?
*can i treat my Interest on Loan against shares as expenses ?

I have rounded off figures for easy understating***