Hi Sethu, 

The rules of PSG or criteria are as below:

Eligibility Criteria: Candidates with a recognized Bachelor’s Degree (with or without industry experience) in any discipline with minimum 50 % marks in aggregate.

Entrance Tests: CAT/ MAT/ TANCET preferred

Specializations offered: Human Resources, Marketing, Finance, Systems and Operations.

As per above, officially there is no way to get admission without writing any entrance exam. You can see the rules here:https://psgim.ac.in/2017/07/mba-full-time/

hii sethu

yeah there would way while that would be considered as management quota for this you need approach the directrate of admission while the college fee would be quite fee since you are going on direct admission so also you will pay donation as well so contact them 

regards