Important Battles question: What happened when Bakhtiyar Khalji entered the Sena capital Nadia in the early thirteenth century?

The source-backed, question-specific record explains: Accounts describe Bakhtiyar Khalji’s rapid entry into Nadia, after which the elderly Sena ruler Lakshmana Sena escaped. Lakshmana Sena was a Hindu Sena monarch, not a Buddhist king defeated in a formally named Battle of Lakhnauti in 1204. 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 A gives Lakshmana Sena escaped and Khalji forces occupied the city and satisfies every condition stated in the question. The remaining choices—A Buddhist king was killed in a pitched battle, The Cholas captured Bengal and The attack was defeated by Iltutmish—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 Lakshmana Sena escaped and Khalji forces occupied the city without relying on option position. This approach builds accurate historical knowledge and careful option elimination for SSC, Railway.