Sir I am preparing via topper app , giving online tests . My doubt was that ,I have filled the form for jee mains 2019 January ,piad fees. Is it compulsory to register again in order to give mock test. Or giving mock tests at their provided centers. Please sir clear my doubt.

No from my knowledge I think only one registration in enough and you have to log in and choose the morning test option And also please search by your side as well