Salary hold by management

Dear Sir / Madam, I would like to submit that at present I am working with DLF LTD, GURUGRAM as a Dy. Manager Taxation. I have completed 5 and half year of employment in this company and also i would like to mentioned that in DLF we have separate taxation department for handling all indirect tax matter. There is almost 14 employee including senior management are working. Recently, the management has decided that reduce the employment in our tax department and ask our 4 persons to resign with immediate effect and they have give six month time from July to Dec 19 they will pay the salary. The above matter discussed by HR Team as well our Immediate boss only without any writing. Now the management has hold our salary of 4 persons and rest of employee already got there salary. Therefore, i request you to kindly give your valuable opinion whether we can file the legal notice/FIR lodge against employer, and also confirm this the best way to file the legal action against employer. We seek your valuable opinion in this regard is highly appreciation. Thanking you, Yours sincerely, R N RAO