Dear Priyansgu,

Chemical engineering vacancy is not as much as other top branches like CSE and ECE. 

If you are opting for this branch make sure you complete your course from top colleges like IITs and top NITs to get good placements. 

Average salary package in this field is Rs. 30,000 per month. It can be vary according to your skills, knowledge and colleges. Students from IITs get good packages. 

If you have interest and desired skills you can go fot this branch but make sure you opt for top colleges. There is lot of competition envolved to get into top colleges so make sure you prepare accordingly.

You can check the top colleges in chemical branch below

Indian Institute of Technology Madras

Indian Institute of Technology Delhi

Indian Institute of Technology Bombay

Indian Institute of Technology Kharagpur

Indian Institute of Technology Kanpur

National Institute of Technology Tiruchirappalli

National Institute of Technology Warangal

VIT University, Vellore

To check the complete list you can refer below link

https://engineering.careers360.com/colleges/list-of-engineering-colleges-in-India?f%5B0%5D=sm_course_offered%3AChemical%20Engineering&f%5B1%5D=ss_google_city%3APokhale

Good Luck!!