I think it was because of where it was. It had more control and had more to help them. I might not be 100% but thats what I could say.
Both of the places have the right climate to grow these grasses
Answer: The crossing allows Sikh devotees from India to visit the gurdwara in Kartarpur, 4.7 kilometres (2.9 miles) from the India–Pakistan border on the Pakistani side without a visa.
