You can do this course directly at Sri Chandrasekarendra Saraswathi Viswa Maha Vidyalayam, Kancheepuram. This institution offers MA (Sanskrit) and MA (Acharya). You can download the application form from www.kanchiuniv.ac.in
By paying the required amount, the application can be got directly from the following addresses also:
Sri Jayendra Saraswathy Ayurveda College, Nazarathpet, Poonamalee, Chennai-602 103. Phone number: 044-26492649