BBC 8/3/06:

"Peru link to Indian archaeological find?"

Geologists have discovered a striking archaeological feature on a hillock
in the Kutch district of the western Indian state of Gujarat.

This feature is shaped like the Roman numeral VI. Each arm of this feature
is a trench that is about 2 metres wide, 2 metres deep and more than 100
metres long.

The feature has evoked the curiosity of archaeologists because such signs
have mostly been observed so far in Peru.

The team, led by Dr RV Karanth, a former professor of geology at the
Maharaja Sayajirao University in Vadodara, Gujarat, has been involved in a
palaeoseismological study of the Kutch region for the past 11 years.

[snip]

[Karanth] says that one of the prominent explanations given for the
Peruvian features is that they may have been constructed to make
astronomical observations and calculations.

'The Tropic of Cancer passes through Kutch. So if this structure is
man-made, it is likely that the slope of the hillock was utilised for making
certain astronomical calculations in the past,' explains the geologist.

Interestingly, there are numerous indications to suggest that Harappans were
well-versed in astronomy.

The straight streets of that time were oriented in the cardinal directions -
east, west, north and south.

Linkages between ancient Harappan scripts and latter Vedic texts also
suggest that Harappan priest-astronomers tracked the progress of various
planets and mapped the sky."

Full story including an image:

http://news.bbc.co.uk/2/hi/south_asia/5237714.stm