This document contains detailed handwritten notes on International Humanitarian Law (IHL). It covers the introduction to IHL, its historical development, the influence of religious beliefs, and key legal concepts like 'jus cogens' and 'erga omnes'. The notes also delve into the Universal Declaration of Human Rights (UDHR), treaty-based and charter-based bodies, and regional mechanisms like the Inter-American and European systems. This resource is highly beneficial for law students and anyone studying international law.