Annamalai University (Distance Education), Tamil Nadu

yes, it does provide but it provides B. Music in Vocal and not Keyboard. 

Eligibility criteria for admission into Annamalai University Distance Education B.Ed: As per the NCTE norms, regular teachers working in primary, middle, secondary or higher secondary schools in Tamil Nadu, recognized by state / central government, with a minimum of two year’s teaching experience are only eligible for admission into Annamalai University Distance Education B.Ed course. The students must have a graduate degree from a recognized university under 10+2+3 or 11+1+3 pattern.

Yes, you can join this diploma in dialectology in Annamalai University. You can visit the center or can take admission online also, as Annamalai University has centers all over India.