Mystic perhaps crawled over top of India (5)
I believe the answer is:
swami
'mystic' is the definition.
(I've seen this before)
'crawled over top of india' is the wordplay.
'crawled' becomes 'swam' (I've seen this in another clue).
'over' is a charade indicator (letters next to each other).
'top of' suggests taking the first letters.
The first letter of 'india' is 'i'.
'swam'+'i'='SWAMI'
'perhaps' is the link.
(Other definitions for swami that I've seen before include "Hindu leader" , "Hindu holy man" , "Teacher abroad" , "How to address Hindu dignitary" , "Hindu religious instructor" .)