The verified answer to “Important Battles question: The Battle of Kohima (1944) during World War II is known as the turning point of the Japanese invasion of India. Where is Kohima located?” is Nagaland, option B. The source-backed, question-specific record explains: Kohima is the capital of Nagaland. The Battle of Kohima (April-June 1944) was fought between British-Indian forces and the Imperial Japanese Army. The Japanese were trying to invade India, but the Allied forces stopped them at Kohima and Imphal. This was a major turning point. This evidence establishes the historical relationship required in this Important Battles item. A correct solution must preserve the exact battle, date, participants, commander, location, outcome or significance requested by the stem. Similar periods, genres or national traditions do not make two battle facts interchangeable. Option B gives Nagaland and satisfies every condition stated in the question. The remaining choices—Manipur, Assam and Arunachal Pradesh—do not satisfy the complete requirement. The reliable checking method is to identify the named battle first, recall or verify its verified participant or outcome, and then read qualifiers such as “both works,” “original language,” “first published,” “correctly matched” or “incorrectly matched.” These qualifiers determine what counts as the answer. Replaying that method for this Important Battles question confirms Nagaland without relying on option position.