What are the labor rights I am eligible to in case of termination without notice?

Hi,

I got terminated from the company in Jan this year after working there for almost 4 & half years.

They terminated me without any notice & gave me 1 month's salary along with gratuity in my final settlement.

Recently, I came to know through my friend that I should have been given 3 months' salary as they terminated my contract.

I am not aware if it was an unlimited or a limited contract but they only paid me 1 month's salary as compensation.

Please help me in this case, to know if my friend's claim is right.