The Central Board of Direct Taxes (CBDT) has extended the due date for filing of Income Tax Returns to August 31, 2018, for categories of taxpayers who were to file their returns by July 31.

MoF tweets:
Central Board of Direct Taxes (CBDT) extends the ‘Due Date’ for filing of Income Tax Returns from 31 JUl 2018 to 31 AUG 2018 in respect of the certain categories of taxpayers (31 Jul Original Due Date).

Source: https://twitter.com/finminindia/status/1022457026163630080?s=21k