Wage ceiling for EPF deduction without consent.

Sir I am emoloyed in a school run by education trust at udaipur rajasthan. Trust is also running state board school as well as University and two separate colleges. Mine school is CBSE affiliated. Since my inception in service in 2002 emolyer deducted PF equivalent to 10% of total salary without any capping or wage celing of 15000 only. This amount was kept in separate saving acct in union Bank of India and eralier in ICICI. Later in 2017 they shifted the whole money to EPFO and inititaed wage celing limit of capping of red limited to 15000 only, where as my salary todya in 40000. This was done only for my school but not on other sister conern of the same trust I.e. neither in university or colleges or state affiliated school. I feel this wr8ng with us. Pls guide me what to do for getting of on full salry as other employees are getting 8000 to 12000 as of depending on their salary in same organisation.as per constitution isntitute has to follow 1991 grantinated act of rajasthan and as per service agreement institute has to pay me salary and allowances at rate prescribed by state/centre time to time and applicable to my case. What can I do for releif