Send counter legal notice to ex employer for late and forcefully holding salary

1- Working from April,Contract Salary to be given on 5-10th of every month. Breach of contract as May salary was payed post 20th on June. June +July Salary is stilt not released. -The ex boss fired me on grounds of absentessim and late comings.( employer was Informed abt the personal serious agendas involving Police and social service which caused it. (Proof is.a.FIR)Both parties agreed on ending the employment. 3- July 13 I was fired. but regardless.the salary for.June wasn't credited on 10 July. Since the termination happens.on 13 July the full and final settlement should.be of salary from 1-13 july working days . 4- My ex employer has made deductions fro, my May salary( already payed). + Not including the 1Sunday I worked. 5- during signing the contract. I asked.for t&c & policy copy to read, which was never, officially communicated or given . They claim they always deducted for absentessim and lateness. Which is not true. Proof: past records.Now since the the relationship between Mr and the employer has gone sour. They are refusing to release my salary yet and threatening to accept the false deductions for May . and sent me a.legal.notice claiming if I don't agree to accept the final and final.settlement , they.will claim my salary for.themselves, 5- due to the delayed payment two times consecutively it has some affected my financial situation where in every aspect of my life has been reprised from rent to my child schooling to my food bills and my electricity with notice for dicconection and the mental stress adding to my financial stress. I need a send A COUNTER LEGAL NOTICE to release my salary + compensation for jeopardizing my livlihood . Expecting a Compensation amount to.equal all.the deductions by waiving off late.and.absent marks.