need advice!

So i am pursuing bsc general from a local college.

I want to start preparing for CAT! So where to start,how to start. Mere ghrwale are not in support of it,they just want ki m shaadi krlu(Rajasthan se hu)

So do you mind sharing some free material you have? Abhi i am in 2nd year.

And also please suggest what i should do side by side to justify 2 neet drops and build a profile. I am also handling family business as of now.