Those who followed my tweets on Ladakh may like to read my story on the trip which was published in the leading travel magazine, Outlook Traveller.
https://t.co/5Yp7RFSdNA
Heliodoros Pillar at Besnagar, near Sanchi was installed around 113 BCE by Heliodoros, the envoy of Indo-Greek king from Taxila. This is a Garud Stambh. Stambh = pillar, Garud is the vaahan of Vishnu.
Heliodoros was one of the earliest converts to Vaishnavism.