She is here to perform as a part of F1 Grand Prix.
"I am finally here + what a dream come true. Performing at Formula 1 in INDIA, and my first day here I reached #15millionmonsters," Gaga posted on micro-blogging site Twitter after reaching here Thursday.
"We’re not in NEW YORK anymore! This isn’t the #NewDeli, its #NewDelhi! We’ve come a long way since the lower east side. NAMASTE!" she further posted.
Gaga will perform Sunday at the Formula-1 after-party, which will be hosted by the Bollywood actor Arjun Rampal at the Jaypee Greens Golf and Spa Resort in Greater Noida.
International rock band Metallica will also perform as part of F1 Rocks at Leisure Valley Gurgaon Friday.
The after-parties will also see Grammy award winning DJ Roger Sanchez performing Friday, while Romanian musician Edward Maya will perform on the second day, Saturday.