Direction: In the following passage there are blanks, each of which has been numbered. Choose the correct word from the given options which fits the blank appropriately.

Netaji was placed under house ____(1)____ by the British government at his residence on Elgin Road, Kolkata. ____(2)____ the strict guard of the British government ____(3)____ January 18, 1941, he escaped by ____(4)____ the British police. His escape route from Kolkata was ____(5)____ by Satya Ranjan Bakshi of the Bengal Volunteer Corps.