Unpaid wages of 15 days from employer.

Dear sir , I was working in Car Dealer show room in Vadodara from Oct 2014 to 15th March 2016. Here when I joined job employer not provided me any offer letter as well as Confirmation Letter. I joined Job as a DMS Operator and then employer given me actual work accounts and HR Both. I am Lady and office is 12 to 13 km far away from my home. Here due to both department work with single handed . I overloaded so I told many times to management to appoint assistant but they never appoint . Finally due to overload and Every day Late going at Home . I have to leave this Job .