Rakul Preet Singh arrives at the Filmfare Glamour and Style Awards in Mumbai. File/ AFP
The accused were killed when they allegedly tried to escape from the crime scene where the police had brought them to re-enact the incident.
Reacting to the unexpected, yet "satisfying" act, celebrities took to social media to express their "happiness".
Actor Rakul Preet Singh posted "How far can you run away after committing a crime like Rape .. #Encounter, thankyou #Telangana police."
Veteran actor Rishi Kapoor tweeted: "Bravo Telangana Police. My congratulations!"
Taking to the Micro-blogging site, actor Anupam Kher wrote "Congratulations and #JaiHo to #TelenganaPolice for shooting down the four rapists of in an 'ENCOUNTER'. All those who demanded harsh punishment in the case, now say with me #Jai Ho!"
Actor Ranvir Shorey wrote "Perversion of the justice system cannot be the answer to dealing with perverts in society. Fixing the justice system is."
'Jannat' actress Sonal Chauhan tweeted "I know this will spark many debates but can I just say a big thank you and salute the @TelanganaPolice, You guys are the real heroes. We are so proud of you. Justice has been served."
Describing the alleged encounter killing of the accused in the Hyderabad gang rape and murder case as "very unfortunate", former Supreme Court Justice Asok Kumar Ganguly on Friday said it was an indication of something sinister - protectors of the law taking the law in their own hand.
Ganguly also did not find convincing the police version that the four accused had tried to flee, and said the "right to trial of even the most heinous perpetrators of crimes cannot be snatched in this way".
Hundreds of people on Saturday laid siege to a police station where four men are being held over the latest gruesome rape-murder to shock India.
A Special Court in Pathankot on Monday convicted six people for the rape and murder of an eight-year-old girl in Jammu and Kashmir's Kathua last year. It pronounced a life imprisonment of 25 years to three − temple priest and mastermind Sanji Ram, Deepak Khajuria and Parvesh Kumar.
Kovind's decision came a day after the Ministry of Home Affairs on Thursday night sent Mukesh's mercy petition to him recommending its rejection,
The decision was made in order to facilitate intensified sterilization procedures in the area, due to the high density of its population.
Worldwide, more than 788,000 people have been infected and 166,000 have recovered, according to Johns Hopkins University. Italy's death toll rose to nearly 11,600 — the highest in the world by far — but its rates of new infections were slowing.
Health ministry spokesman Kianoush Jahanpour said 3,111 new infections have been confirmed over the past 24 hours, bringing the total to 44,606. He said 3,703 of those hospitalised are in a critical condition and 14,656 have recovered.
The announcement brings the country's tally of confirmed virus cases up to 289, according to ministry's spokesman Dr. Abdullah Al-Sanad. In addition, 216 virus patients are still receiving necessary treatment, while 13 others are in intensive care units.