Possible Duplicate:
Correct usage of ‘on’, ‘at’ and ‘in’ from a foreigner’s point of view
I don't know which of these three sentences is preferable:
- India launched its Agni PSLV 5 missile at Chandipur, about 15 km from Balasore.
- India launched its Agni PSLV 5 missile in Chandipur, about 15 km from Balasore.
- India launched its Agni PSLV 5 missile from Chandipur, about 15 km from Balasore.