Is Mission Planner compatible with of Defence Series Map (DSM)?

ArduCopter
1

is mission planner is compatible with Defence Series Map(DSM)? Please let me know .

2

Please let us know what a DSM map is.
You do not provide enough details for us to answer you.

3

Map based on Indian Military Grid reference System. Does mission planner support it ?

4

No.
It currently supports 3 different mapping systems only as seen in this screenshot.

Map System
Map System1920×1017 165 KB