Service tax on hujj

There is already an exemption. Please find the relevant entry for exemption under notification no.25/2012-ST dated 20 June 2012:

"5A. Services by a specified organisation in respect of a religious pilgrimage facilitated by the Ministry of External Affairs of the Government of India, under bilateral arrangement;"

Also---

Para2 (zfa) “specified organisation” shall mean,-

1. Kumaon Mandal Vikas Nigam Limited, a Government of Uttarakhand Undertaking; or
2. ‘Committee’ or ‘State Committee’ as defined in section 2 of the Haj Committee Act, 2002 (35 of 2002);

As provided abover by Mr. Vikas is the most latest updation, there is no any latest updation apart from that.