** Shares of India's Apollo Hospitals Enterprise APLH.NS trade flat at 7,251 rupees ahead of Q1 results
** Hospital chain expected to report 26% rise in profit to 3.86 billion rupees ($44 million), rev seen increasing ~13% to 57.44 billion rupees - data compiled by LSEG
** APLH's mainstay healthcare segment to post higher revenue from rising average revenue per occupied bed (ARPOB) - analysts
** Higher ARPOB to offset slightly lower occupancy rates - Motilal Oswal
** Ambit Capital says margins to improve on lower operating costs for Apollo 24/7, its online consultation and pharmacy app
** Investors to monitor expansion details, plans for Apollo 24/7
** APLH rated "buy" on avg, same as smaller rivals - data compiled by LSEG
** Stock down 0.5% YTD, rival Fortis FOHE.NS up 28%, Aster DM ATRD.NS up 15%
($1 = 87.6450 Indian rupees)
(Reporting by Nandan Mandayam in Bengaluru)
((Nandan.Mandayam@thomsonreuters.com; Mobile: +91 9591011727;))