Hello aspirant

hope you are doing well and safe. With reference to your query,  I would glad inform you that persuing chemical engineering from top 6 iit would be a better option as I always say to choose college over branch as brand value leads to more number of good companies in college and increase chances your placement . At placement student of all branches get equal number of opportunities ,recuriter sees your coding skills not your branch

Hope you found this answer informative. Best wishes for your future