1.That CA is definitely not your friend! Had he been he would have said presumptive income tax return rather than general category without audit!
It means Rs 3000+Rs7600+Rs5000 (might be refunded if not charged during e-file)
File it yourself.
It's really funny you can trade in option s which is very difficult to understand, but you can't file ITR!
If you exceed Rs 2Cr you can't file under presumptive income .
Advance tax will be payable in the quarter.