Not provided offer letter after completetion near about 1 month

&lt;p&gt;&lt;b&gt;Location/place&lt;/b&gt;: kolkata&lt;/p&gt;<p><b>Name of company/service</b>: spanco bpo services limited</p>I AM SK.SADDAM I HAD JOINED SPANCO 1 MONTH AGO AND HAD AN INTERVIEW WITH MR. BISWAJIT ROY CHOUDHURY(HR).HE TOLD ME THAT TAKE YOUR TRAINING AND WITHIN THE TRAINING DAYS YOU WILL GET YOUR OFFER LETTER BUT AFTER THE TRAINING I DIDN’T GET ANY OFFER LETTER NOR THE SALARY FOR THE MONTH OF MARCH.WHEN I ASKED SUSHMITA AND OTHER H.R. EXECUTIVES THAT WHAT ABOUT THE SALARY AND OFFER LETER THEY TOLD ME THAT WE CAN’T PROVIDED YOU OFFER LETER RIGTH NOW AND DONT KNOW THE DATE OF YOUR SALARY IF YOU WANT TO CONTINUE THEN YOU MAY OTHERWISE LEAVE THE OFFICE.I THINK THIS IS THE MOST WORST COMPANY IN BPO SECTOR.