hello Saptarshi, 

there are different things that you need to do to get a job and it starts with a degree as well as making a secure and strong CV. 

the resume plays a vital role. 

you can go for either campus placements, from or even outside colleges. again, also keep in mind that you may go for internships during the course. 

refer to the link for list of jobs in tool engineering, all over india

https://www.google.co.in/search?q=jobs+in+tool+engineering+in+india&rlz=1C1DVJR_enIN791IN791&oq=jobs+in+tool+engineering+in+india&aqs=chrome..69i57j0.8061j0j7&sourceid=chrome&ie=UTF-8

also check for ones on internshaala and frapp. 

hope this helps. good luck