** U.S.-listed shares of Indian online travel firm MakeMyTrip MMYT.O fall 1.6% to $35.7, lowest since August 2023 after Morpheus Research says its short on co
** Morpheus Research alleges MMYT is engaged in abusive and anti-competitive practices and says found evidence of new and undisclosed regulatory investigation into co whose findings could come in 2026
** Reuters could not independently verify Morpheus's claims about an investigation into MMYT
** India's competition regulator had fined MMYT for anti-competition behavior in October 2022
** MMYT may be making its business look stronger than it really is while facing growing competition, losing customer trust, and still being priced expensively by investors, Morpheus Research says
** MMYT did not immediately respond to a Reuters' request for comment
** Including session moves, MMYT stock down 57.2% YTD
(Reporting by Tharuniyaa Lakshmi in Bengaluru)
((tharuniyaa@thomsonreuters.com))