Consider the following pairs related to the Sahyadri Tiger Reserve an...
1. Sahyadri Tiger Reserve - Located in Maharashtra
This pair is correctly matched. The Sahyadri Tiger Reserve is indeed located in the Sahyadri Ranges of the Western Ghats in Maharashtra.
2. Anjani (Memecylon umbellatum) - Common fauna in Sahyadri Tiger Reserve
This pair is incorrectly matched. Anjani (Memecylon umbellatum) is a floral species, not fauna. It is a common plant found in the Sahyadri Tiger Reserve.
3. IMEC - Introduced at the 2023 G20 Summit
This pair is correctly matched. The India-Middle East-Europe Corridor (IMEC) was introduced at the 2023 G20 summit.
4. Sadas - Barren rocky lateritic plateaus in Sahyadri Tiger Reserve
This pair is correctly matched. Sadas are indeed barren rocky lateritic plateaus, which are a characteristic feature of the Sahyadri Tiger Reserve.
Thus, three pairs (1, 3, and 4) are correctly matched.