Yes, the flight is operated by IndiGo on behalf of Qatar Airways.
Mumbai (BOM) to Abu Dhabi (AUH) 2hr 55min to 3hr 05min by a nonstop flight operated by Air India, Etihad Airways or Jet Airways. Delhi (DEL) to Abu Dhabi (AUH) 3hr 35min to 3hr 50min by a nonstop flight operated by Air India, Etihad Airways or Jet Airways. Chennai (MAA) to Abu Dhabi (AUH) 4hr 05min by a nonstop flight operated by Etihad Airways or Jet Airways. Kochi (COK) to Abu Dhabi (AUH) 4hr 05min by a nonstop flight operated by Etihad Airways or Jet Airways. Thiruvananthapuram (TRV) to Abu Dhabi (AUH) 4hr 15min by a nonstop flight operated by Etihad Airways or Jet Airways.
8hr 15min to 8hr 30min LHR to DEL by a nonstop flight operated by Air India, Jet Airways or British Airways.
A random search for nonstop flights from London Heathrow (LHR) shows: 8hr 15min to 8hr 50min to Delhi (DEL) by a nonstop flight operated by Air India, British Airways, Jet Airways, Kingfisher Airlines or Virgin Atlantic. 9hr 05min to 9hr 15min to Mumbai (BOM) by a nonstop flight operated by Air India, British Airways, Jet Airways, Kingfisher Airlines or Virgin Atlantic. 9hr 50min to Bangalore (BLR) by a nonstop flight operated by British Airways. 10hr 00min to Chennai (MAA) by a nonstop flight operated by British Airways.
3hr 30min Larnaca (LCA) to Abu Dhabi (AUH) by a nonstop flight operated by Cyprus Airways or Etihad Airways.
I just had a quick look at British Airways timetables - and they state between 3 hours 45 minutes to 4 hours as the flight time.
The partnership between Indigo and Qatar Airways offers benefits to travelers by providing more flight options, seamless connections, and enhanced loyalty rewards.
4hr 45min to 5hr 05min DEL to HKG by a nonstop flight operated by Air India, Cathay Pacific Airways or Jet Airways.
To select your seat on Qatar Airways when booking a flight with IndiGo as a codeshare partner, you can usually do so during the booking process on the airline's website or by contacting Qatar Airways directly. Make sure to have your booking reference handy for easy access to your reservation.
2hr 30min by a nonstop flight operated by Alitalia or British Airways, LHR to FCO.
4hr 50min Doha (DOH) to Colombo (CMB) by a nonstop flight operated by Qatar Airways.
8hr 45min Delhi (DEL) to Brussels (BRU) by a nonstop flight operated by Jet Airways.
10hr 40min Honolulu (HNL) to Sydney (SYD) by a nonstop flight operated by Qantas Airways.