Simplify the following text for a Grade 13 native English-speaking person.
Original: The Greater Hyderabad Municipal Corporation ( GHMC ) comprises the erstwhile Hyderabad Municipal Corporation , plus 10 municipalities & 8 panchayats in Ranga Reddy district and 2 municipalities in Medak district .
Simplified: The Greater Hyderabad Municipal Corporation ( abbreviated to GHMC ) is an urban planning agency that oversees Hyderabad , India . The Greater Hyderabad Municipal Corporation is also the local government for the City of Hyderabad .