The airline said that the blockade on Qatar and withdrawal of 28 weekly flights between Doha and India has increased the pressure on available seat capacity.
With Jet Airways shutting down its operations on April 17, there has been sudden reduction in the number of flights connecting Indian cities with Qatar's capital Doha.
The four countries accuse Doha of seeking closer ties with Iran, Saudi Arabia's arch-rival, as well as supporting radical Islamist groups.
When passengers were boarding the plane on Thursday morning, a water tanker hit the belly of the Doha-bound flight, near the landing gear.
Offering condolence, Qatar Airways, in a statement, said the baby passed away at the Hyderabad airport.
The state-owned Gulf carrier has long coveted the Indian aviation market, which is the fastest growing in the world, and in 2017 said it would set up a domestic airline.
The major Gulf airline lost access to 18 cities in Saudi Arabia, the United Arab Emirates (UAE), Egypt, and Bahrain last June when those four countries cut ties with Qatar.
Qatar Investment Authority, one of the world's largest sovereign funds, may invest in local real estate development Katara and national carrier Qatar Airways as it supports local projects.
The woman, who was believed to be drunk, got into a fight with her husband after she unlocked his phone while on the flight and realised he was cheating on her.
An interline arrangement refers to a pact to issue and accept tickets for flights that are operated by the partner airline.
Qatar Airways has introduced offers for students travelling from India to Europe, Canada and the US.
Qatar announced today it was scrapping visa requirements for visitors from 80 countries as it weathers a boycott by four Arab states and gears up to host the World Cup in 2022.
The Qatari airline's surprise plan to buy at least $808 million in American shares was disclosed by the US carrier in a securities filing in June.
The laptop ban, coupled with the Trump administration's travel ban on six predominantly Muslim countries, had hurt Middle Eastern airlines.