Difference in salary structure

give a formal letter stating all the facts to the adminstrative department and also give the judgement reference and ask for your salary to be included inthat 

Make a detailed representation pointing out the "discrimination" and matter of "anomaly". The matter will be resolved administratively. Otherwise, challenge the action.

Submit your grievance through website portal. www.pgportal.gov.in

I am sure there will be some paralell rules in state govt paralell to CCS(CC&A) Rules and section 23 of the same reads .

Rule 23.  Subject to the provisions of rule 27, a Government servant may prefer an appeal against all or any of the following orders, namely:-

(i)         xx                xx             xx             xx             xx

(ii)         xx               xx             xx             xx             xx

(iii)        xx               xx             xx             xx             xx

(iv)         an order which-

(a)          denies or varies to his disadvantage his pay, allowances, pension or other conditions of service as regulated by rules or by agreement; or

(b)          interprets to his disadvantage the provisions of any such rule or agreement;