** Shares of courier services provider Delhivery DELH.NS fall 7% to 451 rupees, on course for worst session since April 8
** Co posts consol net loss of 503.8 million rupees ($5.73 million) vs profit a year ago
** Jefferies says EBITDA was below estimates due to weak Express Parcel and Part Truck Load margins
** Adds Express Parcel organic volume growth was weak
** Stock rated "buy" on avg by 23 analysts covering it; median PT at 500 rupees - data compiled by LSEG
** YTD, DELH up 30%
($1 = 87.8950 Indian rupees)
(Reporting by Komal Salecha)
((Komal@thomsonreuters.com;))