Each branches are good and have scope in its own field. It depends on your interest & capability.
CSE: It is not only development & coding  but also testing and life-time support, which needs CSE engineers in drove. The major chunk of jobs offered in India, every year, are for CS engineers.
The expected salary for freshers is from around Rs. 3 Lakh PA to Rs. 5 Lakh PA for jobs. The package also depends on the institute & the organization.

ECE: An electronic engineer can find a job in Consumer electronics manufacturing organization , Telecommunication & IT industries, Internet technologies, Power Electronics, and other industries like steel, petroleum and chemical industry. The salary range for EC freshers  from around Rs. 2.5 to Rs. 3.5 Lakh PA. It also depends on the institute & the organization.

Good Luck!