77.
The answer is: C
Explanation
The correct option is C: 1st March, 1882.
The Negotiable Instruments Act, 1881 was enacted by the Imperial Legislative Council on 9th December, 1881, but it came into force on 1st March, 1882. This is stated in Section 1 (3) of the Act, which says "It shall come into force on the first day of March, 1882"