Avant Garde Advisory Pvt.ltd. - My due salary not paid by the company

I would like to inform you that I was the employee of Avant-Garde Advisory Pvt. Ltd. located at Arihant Building (First floor) **A, Mirza Galib Street, Kolkata-******. On *th March ****, they send me a message not to continue the job. I asked the reason but they didn't give a proper reason. After that, I became very frustrated. Even they didn't pay my full salary upto March * as I had worked upto March * and as the company's policy is no work no pay so I have the right to get the full salary. They only paid the salary of February. My salary amount is Rs **** in hand to be paid. I called them many times but they promised me to pay but they didn't till the date. Message evidence that I had worked upto March * have been attached in this post. For privacy issue i didn't post my phone number. You will get my all details for further contact in that company. In this circumstances I want your cooperation to resolve my issue as soon as possible.