Hi ASpirant 

There are several platforms wher you can apply for jobs if you have relaevant skills .

1.Naukari.com

2.Indeed.com

3.Monster India

4.Linked in

These platforms can help you know about the vacancy and the requirement of any company.

If you are in metros you can directly go for walkin of the following company or either you can apply to job portals.

Amazone,Flipkart,Genpact,HP ,Dell..etc.

All the best.