Totally waste of time, please avoid this 3rd party...

Totally waste of time, please avoid this 3rd party vendor company, specially in telecom, more than 4 yrs I worked in this company even after showing the best performance in the company, no any increment in salary, TA DA rules are tottaly wrong and illegal,no any rules for increment , transfer, leave, still my one month salary is pending with this vendor company even after submitting all the documents & accessories.
Please stay away...
Stay away..