Step 1: Analyzing Nanda Kumar Debbarma’s Works.
The question is asking which of the listed works are authored by Nanda Kumar Debbarma, a well-known Tripuri author and linguist. The works mentioned are Ani Ganao Ang, Bubagwrasa, Kamini Ochai Kotor, and Kokthairoik kobono hayungo.
Step 2: Identifying the Correct Works.
All of the listed works — Ani Ganao Ang, Bubagwrasa, Kamini Ochai Kotor, and Kokthairoik kobono hayungo — are indeed authored by Nanda Kumar Debbarma.
Step 3: Analyzing the Options.
- (1) A, B tei C simi: This is incorrect, as it leaves out D, which is also a key work by Debbarma.
- (2) A, B tei D simi: This is also incorrect, as it excludes C, another important work by Debbarma.
- (3) A tei B simi: This is incorrect because it misses the other works, C and D.
- (4) A, B, C tei D: This is correct, as it includes all of Nanda Kumar Debbarma’s important works in the right order.
Step 4: Conclusion.
Thus, the correct answer is (4), as all of the works mentioned are attributed to Nanda Kumar Debbarma.