Hello Aspirant,

Hope your doing good,

Radio-frequency engineering, or RF-engineering, is a subset of electrical and electronic engineering involving the application of transmission line, waveguide, antenna and electromagnetic field principles to the design and application of devices that produce or utilize signals within the radio band.

There are many institutes in Delhi itself which will offer you to take the Radio frequency engineering course.

Some of the well known institutes are

Simtech instutute

Cluster Telecom

TNS Institute f=of Information Technology

Teleman Institute of Wireless Technologies

You can get the course also in some of the IITs.

By the way its a good post graduation course and its quite famous nowadays so you can go for it.

Thankyou, hope this helps.

Goodluck fot everything ahead:) ping us more for any queries.