ITR 17-18 and 18-19

for F.Y. 17-18, 31.3.19 i.e. tomorrow is last date to file income tax returns, post that you won't be able to file returns.
Since assesse is 1st time filing returns, while registering on IT Portal, link pan with Aadhar card.
for F.Y. 18-19, you can start to file returns from 1.4.19

note that you cannot file returns for F.Y. 16-17 Or any prior periods now.

yeah that was clear cut reply, thank you so much sir..

welcome