aardineins sarvekshan raashtreeya grid

aardineins sarvekshan national grid sandarbh pranaali (angreji: Ordnance Survey National Grid reference system) bhoogol grid sandarbh pranaali hai jiska upayog great Britain mein kiya jaata hai. yeh akshaansh aur rekhaansh ke prayog se bhinn hota hai.[1]

sandarbh