
1) Ancient Indian city 2) Buddhist pilgrimage
Found on
https://www.crosswordclues.com/clue/sankassa

Sankassa (also Sankasia, Sankissa and Sankasya) was an ancient city in India. The city came into prominence at the time of Gautama Buddha. According to a Buddhist source, it was thirty leagues from Savatthi. After the Gautama Buddha`s Mahaparinirvana (passing away) king Ashoka developed this place and installed one of his famous Pillars of Ashoka....
Found on
http://en.wikipedia.org/wiki/Sankassa
No exact match found.