 Shares of conglomerate Ebix Inc. EBIX, -46.15 , which offers payment services, travel and IT in India, slid 34 Thursday, after short seller Hindenburg Research questioned the companys accounting in a new report. Hindenburg said some of the numbers the company has offered relating to its Indian unit EbixCash, which it is planning to take public in a 4.5 billion deal, do not add up. 