Choose the correct sentence: India attacked on Pakistan in 1965., India attacks Pakistan in 1965., India attacked Pakistan in 1965., None of these

Choose the correct sentence: India attacked on Pakistan in 1965., India attacks Pakistan in 1965., India attacked Pakistan in 1965., None of these

Explanation
The correct sentence isIndia attacked Pakistan in 1965.
Correct tense: "attacked" is the simple past tense, appropriate for the year 1965.