It sounds like you're looking for a piece of writing—perhaps a short essay or a "paper"—based on the movie After Earth, likely related to its availability or popularity on the website Isaidub (a popular platform for Tamil dubbed movies).
They went to the next site, and the next—settlements with iron gardens on rooftops, a school that had split its textbooks and used the margins for water-harvesting diagrams, a caravan of people who traded in spoken maps. Each place the Array touched changed in small ways. In one, an orchard once half-dead yielded a fruit that was only edible after sunset. In another, mosquitoes learned to keep their distance in places where coils hummed like lullabies. After Earth Isaidub
Isai looked at the horizon, where the sky was turning the color of new bruises, and thought of the scavenger who’d wept and the children who hummed. He thought of the way a simple note could make a field remember to hold water. “We didn’t save the planet,” he said finally. “We taught it to be a little more generous to the people left here.” It sounds like you're looking for a piece