Hey Sajjan,

According to previous year cutoff trends, here are some of the colleges you can get based on your rank:

• Institute of Technology, Guru Ghasidas Vishwavidyalaya, Bilaspur - Mechanical/CSE/Chemical
• Gurukula Kangri Vishwavidyalaya, Haridwar - ECE
• Mizoram University, Aizawl - ECE
• School of Engineering, Tezpur University - ECE
• HNB Garhwal University, Srinagar - IT

To know more about your chances of getting other colleges check out the college predictor link below:

Https://engineering.careers360.com/jee-main-college-predictor 

To predict your rank, check out this Careers360 college predictor rank link below:

Https://engineering.careers360.com/articles/jee-main-rank-predictor

Good Luck.

Dear Sir/Ma'm, having 84 percentile means you have cleared your JEE Mains and 62% in boards also means that you have fulfilled the boards criteria for JEE mains too. So yes, according to that you are eligible for any government engineering College for B.Tech in India.