This can be termed unfair labor practice, fraud.
You may consult an able Labor Law Consultant/service Matters Lawyer/Law Firm ……………….. Employee's/Trade Unions e.g. CITU/INTUC/AITUC/BMS etc and the unions embrace you.
Your counsel may opine that you can approach:
Inspector appointed under ( name of the state) Shops & Commercial Establishments Act, : Educational Institution for private gains might be covered as establishment by the Act and you should be covered by the def. of ‘Employee’ as in the Act. This Act does not discriminate between ‘Workman’ and ‘Non Workman’……………
Inspector appointed under Payment of Wages Act (if wages as per def. of wages in the Act is Rs18000/pm)
O/O Labor Commissioner; if you are covered as “workman’………………… Your counsels may opine that you are covered.
Higher/Highest Officials of Dept. of labor of your state...............
The officials of the Board with which the school is affiliated e.g. CBSE. You may go thru service conditions advocated by the Board at its website e.g. CBSE Affiliation Bye Laws.
Officials as in State Education Act
Your counsels may opine that you can lodge complaint u/s 406,420 and file ‘winding up’ petition as unpaid wages are debt on employer, civil suit for recovery etc