hi,

see digital marketing is a new era of technology and you can do the course from online as well as offline coaching center. however there is  3 years duration course of bba in digital marketing, however if you are already completed your graduation and want to know the professional course of digital marketing you may join udemy, coursera, like online platform.

some of the offline digital marketing coaching in jaipur,

DigiLearnings Digital Marketing Institute

Quibus Trainings Digital Marketing Institute

JSDM Jaipur school of digital marketing