hello Akanksha226017

I hope you are doing good.  I would glad to aware you about the roadmap of preparation of Upcet which was renamed as UPSEEE. I would like to tell you you dont need to prepare for upcet separately if you are preparing for NIMCET because most of the syllabus is same in both the entrance. For mathematics you just need to focus on calculus and unacademy would be the best place on youtube . For LR you can focus on easy topics like series,decoding,blood relations ,syllogism and you ca do it from RS aggarwal . For computer you can prefer the aspire study channel

Hope you found this answer helpful. Good luck for your future