Step 1: Understanding the Context.
The question asks about the publication year of Dasarath Debbarmabai's work titled “Kog-Borok Swrwng”, a key work in Tripuri literature.
Step 2: Identifying the Correct Year.
The correct year for “Kog-Borok Swrwng” is 1975, marking the year it was first published. This work is a seminal piece in the development of Tripuri language and literature.
Step 3: Analyzing the Options.
- (1) 1975 bisio: This is correct, as it matches the official publication year of Dasarath Debbarmabai’s “Kog-Borok Swrwng”.
- (2) 1976 bisio: This is incorrect, as the work was published one year earlier.
- (3) 1978 bisio: This is incorrect; the work was published much earlier, in 1975.
- (4) 1977 bisio: This is also incorrect, as 1975 is the correct year.
Step 4: Conclusion.
Therefore, the correct answer is (1) 1975 bisio.