Name of station Co-ordinates Approximate aerial distance between
Kulti-Ghushighata (S1) 22○31.368’N
88○41.537’E
Kolkata-S1 30.5 km
Malancha (S2) 22○30.688’N
88○46.157’E
S1-S2 7.0 km
Kanmari (S3) 22○26.464’N
88○48.246’E
S-2-S3 9.0 km
Dhamakhali (S4) 22○21.332’N
88○52.595’E
S-3-S4 12.5 km
Table 1: Co-ordination of four study sites with salient features.