Hey Sailesh, as you mentioned of getting 61% you need not worry regarding that as according to the notification released vide March 2 by NTA, the 75 percent minimum is no longer a criteria for the students who have appeared for JEE Mains 2022. Also you have scored 150 marks which is a really good score, at this marks you can land up in a CRL rank of about 21145-16495, in the 98th percentile. See this article for more info: https://engineering.careers360.com/articles/jee-main-marks-vs-percentile

At this rank you can secure a seat at HBTU Kanpur easily, as the opening and closing rank for HBTU 2021 for Round1 was 14586 - 23959 for Computer Science & Engineering (CSE), which is the best course there. So good luck for your counselling rounds, and hope you secure your most desired branch. All the Best!