Non payment of Salary. Employer refuse to pay my salary

My boss dint paid my salary of May month. i left job in May 2019. (reason for leaving- salary issue , salary was not on time & many things) i told her that do i leave now or shud i wait for 15 days or 1 month by giving resignation. she ask me to leave right away i.e on 28th July, 2019. howevr at a time of leaving when i ask her about my salary she promise me to pay till 10th June, 2019. but since then till yet she kept me on hold since 3 month. aftr long struggle, wen i kept calling her rapidly, she anyhow got convince and told me to collect cheque on 22th July, 2019. In cheque she mentioned 25th Date of deposition. however i did same. suddenly on the very next day i.e 26th July, she call me & denied to pay my salary. she said ur 1 candidate is leaving before terms so i wont pay u salary. im stopping ur cheque. i told my boss that i given many closes before leaving js bcuz 1 candidate leaving, u cant stop my salary, i need to pay emi for home. Still she denied & refused to pay my 16000rs (also she promised me to give Experience letter n Salary Certificate but now i dont think she will giv anything?) request u to help me pls. my family has to pay emi for house. currently im not at job (still searching for job). we are helpless. Pls help