The employee strength of WNS is very big. As they are hiring undergraduates, lot of job opportunities are available.
If you talk about the salary or job satisfaction then you need to think before join. The hire on very low package. The promotion path is no that easy. You have to work hard for a long period to get promoted. The work pressure is very high.
The provide a pick up and drop facility but it's chargeable. But they did not provide home pick up and home drop. They provide spot pick up and drop.
Work environment is not so good.
If you did not get a job in other companies, then WNS is there for you.