This Central Government college is currently providing education to the first batch. This batch has a five year long job assured by the college which the candidate can leave by paying an amount to the corporation. Successive batches have a shorter tenure of service which they have to give to this institution. Payscale is Central Government high pay. 

Please check this link for more information: https://collegedunia.com/reviews/44765-kalyan-basu-review-on-esi-post-graduate-institute-of-medical-science-and-research---pgimsr-kolkata