Congratulations !! As far concerned about securing seat for government college depends on your rank.

To know your rank and for more details visit the below links.

All the best !!

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

https://engineering.careers360.com/articles/jee-main-rank-list

https://engineering.careers360.com/articles/jee-main-cutoff-for-b-arch-b-planning

Hi Riddh. Thank you for choosing Career360.

First of all, congratulations, 98.2 is a very good percentile. According to the percentile formula, your probable rank shall be somewhere around 1470. This rank is tentative but if it remains around this only then you have chances to get admission into many government colleges.

Here is a list of government colleges and their previous year cut offs 

https://engineering.careers360.com/articles/jee-main-cutoff-for-b-arch-b-planning

Hope this helps!