Okay kiddo, so imagine you have two friends, let's call them India and Pakistan. They used to be really close friends a long, long time ago. But then, something happened and they started to have a lot of fights and arguments. This happened many times over many years and it's called 'Indo-Pakistani wars and conflicts'.
India and Pakistan are two countries located in South Asia. They used to be ruled by the British, but they gained their independence in 1947. After they became independent, there was a lot of fighting between them over an area called Jammu and Kashmir which both India and Pakistan claim as their own.
Their fights started with something called the First Indo-Pakistani War in 1947-1948 because they couldn't agree on who should have control over Jammu and Kashmir. The second war happened in 1965 and it was also about the same issue. There was also a third war in 1971, which is called the Bangladesh Liberation War.
These wars were very sad and people lost their loved ones. It's always better to talk and find a peaceful solution but sometimes countries can't agree and they have to fight. After each war, they signed agreements to stop fighting but even then, they kept having small conflicts and disagreements.
But now, India and Pakistan are trying to be friendly again and are working on getting along. They are still not agreeing completely on Jammu and Kashmir, but they are talking and trying to find a way to solve it peacefully.