Simplify the following text for a Grade 10 native English-speaking person.
Original: As of 2007 , five locations remained in the running for hosting the Indian Grand Prix : Bangalore , the Gurgaon district in the state Haryana , a permanent track somewhere near New Delhi , a street circuit in New Delhi , as proposed by Vijay Mallya , and a site in Lucknow , Uttar Pradesh .
Simplified: As of 2007 , five locations remained in the running for hosting the Indian Grand Prix : Bangalore , the Gurgaon district district in the state Haryana , a permanent track somewhere near New Delhi , a street circuit in New Delhi , as proposed by Vijay Mallya . , and a site in Lucknow , Uttar Pradesh .