For B.tech first year colleges are generally start in August - September month. After entrance exams like IIT JEE MAINS, IIT JEE ADVANCED and other state wise entrance exams are finish then based on merit addmission process is going on and engineering colleges are starts in August - September for every academic year.you will check regularly for updates regarding to the college starting date.

Hello,

For your info, the B.Tech colleges start their first-year classes in late July or August. Also, many colleges start classes from the first week of August. These stats are followed by the majority of colleges, but to know the exact dates or week, it varies by institute itself. So, if you're concerned about your institute's starting date, you can contact their office and website to follow the schedule of the college.

I think it clears your query!!