Its good you have completed the B.E in Electronics and Communication in 2013 with a good percentage of about 60% and i hope that is a first class degree. Its also good you have scored 73% in 10th standard, 57% in 12th standard.
Most of the companies like TCS, Wipro, Infosys usually ask for the first class 60% in 10th,12th and in the
Under Graduate degree. There are also very good companies which require only and talent and not much marks in except you have to clear all their interview rounds and sometimes the marks are considered as a second option.
Since you have completed the software Testing course in 2014, at least there must be some project experience and also should be known about the Win Runner and Load Runner, Manual Testing and Automated Testing, Silk Testing also.
Try and browse the questions about the Software Testing what would they ask in the Interview. Many companies still hire for the talented candidates after one year of completing the Under Graduate degree and opting a career course. Show them your project of testing in the Software and make them convinced.
Even small companies are good in pay later you can go for the big companies, hires the talented person who opted for the course after a U.G degree and able to produce much
knowledge and result of their projects after the completion of the U.G. degree. Register in the job portals your resume, look for the places where they need the freshers for working in the testing field. Even silk test knowledge along with test case writing is also required from the freshers. So try it takes some time to search but definitely there will be a job in market. Communicate with friends, seniors, placement cells in your college, agencies who hire the freshers also useful for searching the job in the IT Sector. Testing on the software, Application products, web testing are the most required talent in the markets. Needs time to search and get it.