Hello Karthika,Greetings from Careers360.com!

A Computer science engineer would be specialized in software design,hardware design,or sstes design,that integrates both. An Electronic communications engineer conceptualize, design, test and oversee the manufacturing of communications and broadcast systems. They mainly workto integrate electronics and communications into any system they develop. The salary would be approximately 4 lakh p.a for CSE and 2 lakh p.a for ECE for freshers and it may vary with the companies which recruit too. Above all choose the field of your own interest.Find your passion and excel in that field.

Hope this helped.All the best!