Form 10E Not accept

Bharat Rajauriya (29 Points)

14 December 2020  
All person of my office get arrears of 7th pay commission in 2019-20, so filled 10E form for rebate u/s 89(1)and show in ITR-1
Now receive intimation but there are no rebate given u/s 89(1) and make liability of tax for all person.
What should we do ?
Any one suggest..