Hi Mubashir,
First we start from basic then regulatory issues.
1-Register a Company
2- Membership of PSEB
3-Call Center License
Now we go to the Practical approach.
Basic requirements is
1-Calls Solution
2-Internet Connectivity
3-Human Resource
4- 1000 sq/feet space
One time Cost of 15-20 seats is Rupees 1.5 to 1.8 million.