Harkat-ul-Mujahidin is an extremist jihadist organization that operates in Pakistan, India, and Afghanistan. The group has been responsible for a number of high-profile terrorist attacks in the region. While there are no direct synonyms for "Harkat-ul-Mujahidin," there are several other extremist organizations in the region that share similar ideologies and tactics. These include the Taliban, Jaish-e-Mohammed, Lashkar-e-Taiba, and Al-Qaeda. Each of these groups has been responsible for a significant amount of violence and instability in their respective regions. Despite efforts by local and international governments to combat these groups, they continue to pose a significant threat to regional security.