Hi Bhavesh,
the current traend in quotign for accent trainign on a contract basis (number of hours of training) is any where form 800 to 2000 Rs. Per hour dependig on the skill leval and expertise of the trainer, these costs some times include the training material costs and particepent guides.
this industry is growing rapidly and has good prospects, the returns depend a lot on the quality of service that u will provide to your customers.
The min. number of seats is directly propotional to the infrastructure costs and to the business requirement of your client.
More info on what kind of infrastructure u are will to provide.
regards,
Vidya