Hi Mani, There are many vacancies available on the job portals regarding your profile. Here's a link to some Vacancies:

http://jobsearch.naukri.com/btech-mechanical-fresher-jobs

once to apply to any vacancy make it a point to follow the recruiters for the status of your Resume.

Hope that solves your Query,
Feel free to post more queries,
Thanks & Best of Luck!!