Okay, so imagine a group of friends who really care about their culture and their people. They want to make sure that their culture is respected and that their people are treated fairly. That's kind of like Dal Khalsa!
But instead of just being friends, Dal Khalsa is a big group of people who all share the same beliefs and goals. They want to protect and promote Sikhism and the Punjabi culture. They also believe in getting freedom for Punjab (which is a region of India) and making it its own separate country.
The "International" part of their name means that they have supporters and members all over the world, not just in one place. They use things like social media and protests to spread their message and get people to support their cause.
It's kind of like a big club for people who love their culture and want to make sure it's respected. But they also want to make big changes in their country, which is what makes them different from just a regular social club.