In the heart of Kolkata, Jasmit Singh Arora, a Sikh businessman turned environmental activist, bridges the divide between urban consumption and rural regeneration. His mission is ambitious: to collect 200 crore gutlis (mango seeds) from the public to plant 20 crore trees. But this is not just a story of planting; it is a story of connection. From scaling the historic rooftops of Bada Bazaar to reclaim waste seeds from traditional mango-papad makers to mobilizing schoolchildren and farmers, Jasmit turns a personal quest into a collective movement. 'GUTLI MAN' explores how one man’s drive transforms a city's waste into a culture of conservation, proving that the solution to our climate crisis lies in the hands of the people.