service benefits

you can search in the following link. 

ttps://www.supremecourtcases.com/index-practicallawyer.php?option=com_content&task

yes. he can fight. There are a lot of precedents in which he can get notional increments.

Normally this froum doe snot supply judgement but you can refer to

1. CAT(PB) OA No. 49/2018,MA No. 58/2018 in the matter of Shri Yash Pal Singh and Ors. V/s GNCTD
2. CAT in OA No.1790/2008 Krisna Kumari V/s GNCTD

Precedent cases are available for notional increment in such cases.

Let him fight independetly for wages and I pray him to succeed.

Yes, he can seek salary for the intervenng period, notional incrments as well as restoration of senority in the merit list (if applicable). What all reliefs would be granted depend upon the facts and circumstances of the case (as well the strength of your pleadings and arguments).