Hello sanskar
Computer science engineering is in boost these days . So if you are interested in cs then go for it . Well you can also grab exciting packages if you are doing good in aeronautical engineering. But the most important part is the college .
Best of luck

No doubt Computer Science and Engineering is better choice in terms of placement record for most of the company. Packages are also depends upon your skills and branch therefore computer science and engineering offered great packages and opportunities as contrast to aeronautical engineering