**Shares of Eternal ETEA.NS fall 2.4% to 285.25 rupees, the lowest level since July 21
** 52 million shares, representing nearly 0.5% stake in the online delivery firm sold via block deal for 290.95 rupees apiece
**More than 71.55 million shares traded so far vs 30-day avg of 28 million shares
** Stock rated "Buy" on average by 31 analysts; median PT at 400 rupees - data compiled by LSEG
**YTD, stock up 2.6% vs rival Swiggy's SWIG.NS nearly 28% decline
(Reporting by Mridula Kumar in Bengaluru)
((Mridula.Kumar@thomsonreuters.com;))