Located in Coimbatore, ISHA Center is a must visit spot of Tamilnadu. You could travel direct to Coimbatore, else from chennai overnight journey you are in the ashram. Kindly do the pre bookings that all the days you stay you could enjoy the soul journey. Here are something’s to do near ISHA Center, sharing see if it is suitable.
Visit surya kund
Trek to Velliangiri mountains
Drop by Kovai kuttralam
Pray at Maruthamalai Murugan temple
And touch the waters of Siruvani river.
Will share a few tripoto links written by travellers pertaining to their travel to ISHA Center Coimbatore Aadiyogi, see if it is suitable for your travel..
https://www.tripoto.com/coimbatore/trips/isha-foundation-a-divine-feeling-with-aadiyogi-6073493e9bcf8https://www.tripoto.com/tamil-nadu/trips/coimbatore-tamilnadu-612ce8cacb65d