Student on completion of the course may apply for EPEC ( employment pass eligibility certificate) which allows him to stay and find work
Depending on the offer and remuneration offered, student would be put under E / S category work visas for contract period [ as offered by the employer]
Guaranteed work permit of 1 yr on completion of 12 months of education & 2 further years on application
After stay on work permit for at least a year supplemented by good academics, he could file his case for PR