tax audit

On or before 31 October 2017.....

when do means turnover

kitna turnover hone ke bad tax audit karana jaruri hai

An Assessee is liable to get his Tax Audit done by a Chartered Accountant mandatorily, if in the previous year,

The Person is carrying on business and his Total Sales/Turnover exceeds Rs. 1 Crore (Limit increased wef 1st April 2012) or
The Person is carrying on Profession, and his Gross Receipts exceed Rs. 50 Lakhs (Applicable from Financial Year 2016-17 onwards) or
The Person is carrying on business or profession and is covered under the provisions of section 44AD, 44ADA, 44AE, 44AF, 44BB or 44BBB and claims that his income from the said business is lower than the deemed profits and gains computed under the relevant section
The Due Date of filing the Tax Audit Report under Section 44AB is 30th Sept. The due date for the financial year 2016-17 has been extended to 31st Oct 2017.

Tax Audit limit AY 17-18,
U/s 44AB Rs. 1cr for business and Rs 50L for profession...

In case the assessee ll be opt to sec 44ad then the limit is Rs. 2cr without Tax Audit

I think you can opt Sec 44AD upto Rs.2 crore but audit is mandtory above Rs.1 crore....