as per income tax act due date of audit is 30th september...

30th Sept.

30 september

agree with above...............

ITS 30TH SEPT

how to calculate interest 234A/B/C for company

I think the below link is useful for calculating interest.

https://www.simpletaxindia.net/2011/03/interest-calculator-234abc-advance-tax.html

Its 30th Sep for all assessee's.

The due date for Tax Audit is September 30

30 september