1.You may write to apointing authority to supply you the certified copy of board resoloution empowring the person that has sent the email and hrad copy of the change in service conditions, by Redg. Post so as to enable you to do the needful........
2. You can also decline to accept the change......
3. The employer may resort to tadctfully or straight away..............termination hence you should download all appreciations,award,reward,Tgt vs Perf.data,record confirming that nothing is pending at your end,HR policies like service rules and regulations/exit policy/FnF policy/leave policy/PIP policy etc....and also the standing orders that are applicable to establishment (certified/model).......
4. You can submit notice of resignation ( by redg. post even if company has some software resignation tool)citing reasons e.g.chnage in service conditions and any else that renders employer as unworthy of being employed with......and request to supply by redg. post the acknowledgment imediately and aceptance,service certificate,relieving letter,FnF statement correct and original,Form16 as per correct FnF statement,Payment of FnF dues by bank DD only,PF number and a/c slips,salary slips of all months,ESIC card,NOC/NDC, within and upto last day in office...and that nothing is pending at your end and routine duties be assigned that can be completed within and upto last day in office, and to whom you should handover the charge within nd upto last day in offcie under proper acknowledgment on the spot...
5. Try to get the salary/dues before you submit and also not to allow your dues to compile........
6. The 'Works Commitee' as in ID act is an authority and President can be from employee's side and such committee can take up such matters with employer..............employee's unions/trade unions can also intervene and negotiate service conditions...
As per ID act 21 days notice should be issued before effecting the change in service conditions.......
The employees make a blunder by not forming unions,internal councils,works comittees etc....
7. You might be very well covered as perdef. of 'workman' as in ID Act,'Employee' as in (Name of your state)Shops and Commercial Establishments Act.................
Notice period/pay as per Model Standing Orders is NIL during probation period,30 days after confirmation and max.30 days as per Shops and Commercial Establishments Act depending upon length of service.......
Any service condition inserted in any private agreement e.g. appointment letter............inconsistent with enactments aplicable to establishment shall not survive.............
Hence if you are covered by the enactments the 90 days notice period may not be applicable to you.
Your Labor Law Consultant/Service matters lawyer may ask you a set of structured questions and may opine that you are covered.