April.17 to june.17 purchase invoices

Jakir Vashisht (Sr Officer (F & A)) (76 Points)

31 July 2017  

Dear Sir, I have April.2017 to June.2017 pending purchase invoices to book.  Can I book them in July.2017? Can I avail the Vat Input Credit? What Form and Return Form is required to declare such purchase? Please advise