Even though ISO has given it’s go ahead to Microsoft’s OOXML as an accepted standard, IIT Bombay professors are at loggerheads with Microsoft
The BIS represented India as a participating member of the ISO. Its LITD 15 committee — of which IIT-Bombay was a part — was responsible for examining OOXML and deciding on a "No" regarding India’s position at the ISO.
India’s negative vote could make it difficult for Microsoft to get government business since governments worldwide, including India, are wary of holding digital data in proprietary formats.
Microsoft on the other hand, has accused "few institutions" to have personal biases and have even accused them of acting against the national interests [source].