Data transfer graph between NKN (India's NREN) and NORDUnet (NREN for Nordic countries) https://stats.nordu.net/stat-q/r-all?q=all&name=NKN. Low data transfer between the two though.
Peering seems to be via Netherlight (https://www.surf.nl/en/services/network-connectivity/netherlight) in Amsterdam from https://nordu.net/nkn-india-and-nordunet-set-direct-peering/ (2017).