The Hummer H2 was never officially introduced in India. The H2 runs on Petrol it has a 6.2-Liter V8, 16-Valve, Engine; Horsepower Of 393@5700, Torque Of 415@4300I . I knew of someone who was trying to sell his 3 year old H2 for about Rs 45 lakhs in Mumbai. ( it was a LHD converted to RHD)
You could also try Magus Cars, New Delhi.
Contact them on +91-9999999413, or visit their website www.maguscars.com. They deal in imported cars.
or Choksi Motors, Santacruz (w), Mumbai