ANSWER: Seven
Explanation:
The seven states include Andhra Pradesh, Gujarat, Himachal Pradesh, Karnataka, Madhya Pradesh, Maharashtra and Rajasthan. In this seven states, activities envisaged under the project includes establishment of 48 new Grid sub-stations of different voltage levels with total transformation capacity around 17100 MVA (Mega Volt Ampere) by installing over 7800 ckt-kms (Circuit Kilometers) of transmission lines.