Step 1: Understanding the question.
The work "Jaduni Rwchabmung rwgwi kok kisa" is attributed to Rabindra Kishore Debbarma.
Step 2: Analyzing the options.
- (1) Hemanta Jamatia: Incorrect, not the author of this work.
- (2) Mahendra Debbarma: Incorrect, this is not the correct author.
- (3) Nanda Kumar Debbarma: Incorrect, does not match the author of the work.
- (4) Rabindra Kishore Debbarma: Correct, this is the author of "Jaduni Rwchabmung rwgwi kok kisa".
Step 3: Conclusion.
Thus, the correct answer is Rabindra Kishore Debbarma.