Electronics and Communication involves the transmission of information across channels like coax cable or optical fiber. It also deals with designing equipments such as routers, switches, fiber optics and electronic switching systems. In a nutshell, this branch of engineering deals with electronic devices and software interfaces.

Electronics and Computer Engineering is a branch of Electronics Engineering. The discipline deals with the effects of electrons to build components, devices, systems, or equipment. Electrical Engineering basically deals with the study and application of electricity, electronics, and electromagnetism.

You will have to decide in which domain your interest lies in.

You can check the details in the link provided below for both.

ECE- Communication

ECE- Computers

Hope this helps.