New to trading - few queries

Hi I am new to trading.

I dont have any demat account till date. Planning to open one with rksv securities . Is it worth to open demat there ?
Is there any option to get the initial fee of 300 rs waived . I heard if i sign up through referral or through partner links , fee is waived - is it true ?


Since i am a beginner, I need you guys to help me out.

Well in the long run , I am interested only in investments and nothing else as of now.

Please share your thoughts.

Thanks in advance,

New to trading - few queries