As already you are paying Accomodation, Travel and Food expences there may be little amount of other expences.
Those daily allowance varies from company to company and nature of the business too and depeneds on the management.
It is better to take advice from your management.
Any how you can keep in mind as you can consider of Rs. 100/- to 150/- for the employees in india and no Idea about the personl deployed in abroad
13th April 2012 From India, Bangalore