Nasir Dhillon founder Punjabi Lehar in 2016 with a friend - since then, he says the channel has helped hundreds of people reunite with their loved ones, often virtually, across the border.
When the British left India in 1947, they divided the territory into two independent countries - India and Pakistan. The partition was a deeply traumatic event that set off a wave of religious violence. About 12 million people became refugees and between 500,000 and a million people were killed.
The neighbouring countries share a tense relationship, which makes it difficult for Indians and Pakistanis to travel across the border.