Hello Spandan, 

Electronics and Communication     branch specifically related with transmission of electrics signals. It  deals with analog and digital transmission & reception of data,  voice and video, solid state devices, microprocessors, digital and  analog communication, satellite communication, antennae and wave  progression. It also deals with the manufacturing of electronic devices,  circuits, and communications equipment like transmitter, receiver,  integrated circuits, microwaves, and fiber among others.

Electronics and Telecommunication    is a major field that falls under Electronics Engineering. Apart from  this, it also combines various aspects of electrical, structural and  civil engineering as well. Telecommunications engineers handle different  types of technology that help us to communicate. They research, design  and develop satellite and cable systems, mobile phones, radio waves, the  internet and e-mail.

Thank you