Filing of ITR

Yes you can file ITR-3

Yes file itr 3

Pls mention net turnover from your business or income.
All the business verticals hv same income levels.

Can I revise my itr
I have received return

YOU CAN REVISE IT 

Filing itr is a deifferent scenario and compulsory audit of accounts is a different concept altogether.
Auddit of accounts is guided by DIFFERENT SECTIONS.
THERE NEEDS TO BE UPPER LIMIT OF TURNOVER.
BUT TO MY KNOWLEDGE , Its better to start the business .After 1 year of successful operation certainly you will understand.