you can file belated return after 31st july 2018 with penalty of ₹5000 or ₹1000 as the case may be. You can file belated return for AY 2018-19 till 31st March 2019m you can go through this short blog for details: https://idealconsultax.blogspot.com/2018/06/penalty-on-late-filing-of-income-tax.H T M L