Section 89 ki jankari chahiye kaise relief milta hai isme

Yes you can claim relief u/s 89 provided you are a resident individual.
1The amount of relief is generally mentioned in your Form 16 Part B.
2)If you claim relief,you need to file form 10E before you submit the return otherwise you may receive a notice from the dept.
3) You can read more about relief in the following article https://cleartax.in/s/get-help-with-salary-arrears

Can a person claim relief u/s 89 even if he hasn't filled return of one or two last years for which arrears is received?