"Lion", helmed by first-timer Garth Davis and top-lined by Dev Patel, is the amazing true story of Saroo Brierley, an impoverished Madhya Pradesh five-year-old who lost contact with his birth mother after being carried 1600 km away from home by a train on which he fell asleep.
The film, also starring Nicole Kidman, Rooney Mara, David Wenham, Mumbai actress Priyanka Bose and child actor Sunny Pawar, tracks Saroo's search for his home in Khandwa a quarter century later with the help of Google Earth.
The film is expected to be a strong contender for TIFF's audience choice award, which is usually a harbinger of Oscar night glory.
At the post-premiere press conference on Sunday, Nicole Kidman, who plays the protagonist's adoptive mom, Sue Brierley, said, "This is a film about the power of mothers, whichever form they come in."
The role of Saroo's biological mother Kamla is played by Priyanka Bose. She said, "Lion is an incredible story of a lost man finding his way back home in circumstances that are stranger than fiction."
Patel dismissed the suggestion that there were
similarities between his 2008 breakout film "Slumdog Millionaire" and "Lion".
"The similarity between the two films ends with the fact that they are both about young boys lost on the streets of a city. Thematically and tonally, they are very different. Slumdog had frenetic energy. Lion is a sweeping human drama," the actor said.
Patel pointed out that in this movie, his character was more Aussie than Indian.
"Saroo is an outsider in India. He cannot even speak the language," he added.
For Davis, finding Sunny Pawar to play the five-year-old Saroo was almost as dramatic as anything that the film could conjure up.
"Putting a young boy at the very centre of half of the story required a lot of hard work.
"Children in India are a staggering lot. Their spirit is absolutely infectious," said Davis, who hitherto directed commercials and television shows.
"I love difficult locations," said Davis. "People go to the easy places to shoot. I went to places in India that few films have gone to before."
