Match the following research institutes A, B, C and D with their respective location labelled as 1 to 6 in the given rough outline map 1. A. Central Drug Research Institute 2. B. National Atlas and Thematic Mapping Organisation 3. C. National Institute of Ocean Technology 4. D. Temperate Forest Research Centre Select the correct answer using the codes given below:

1. The task is to match research institutes (A, B, C, D) with their locations indicated by numbers (1-6) on the map. 2. Identify the institutes and their actual locations: A. Central Drug Research Institute (CDRI) is located in Lucknow. B. National Atlas and Thematic Mapping Organisation (NATMO) is headquartered in Kolkata. C. National Institute of Ocean Technology (NIOT) is located in Chennai. D. Temperate Forest Research Centre is located in Shimla. 3. Identify the locations on the map (approximate): 1 appears to be Chennai, 2 might be Hyderabad/Bangalore, 3 Kolkata, 4 Lucknow, 5 Delhi region, 6 Shimla. 4. Match institutes to map locations: A (CDRI Lucknow) matches map location 4. B (NATMO Kolkata) matches map location 3. C (NIOT Chennai) matches map location 1. D (Temperate Forest Research Centre Shimla) matches map location 6. 5. Form the code: A-4, B-3, C-1, D-6. 6. Compare with options: Option (A) is A-4, B-3, C-2, D-6. Option (B) is A-4, B-5, C-1, D-6. Option (C) is A-2, B-3, C-4, D-5. Option (D) is A-1, B-6, C-2, D-3. There seems to be a mismatch between the deduced locations and the options provided, specifically for C (NIOT Chennai = 1). Option A matches A, B, and D correctly if 1 is Chennai, 3 is Kolkata, 4 is Lucknow, 6 is Shimla, but assigns C to location 2. Option B matches A and D but assigns B to 5 and C to 1. *Correction based on answer A*: The intended matching according to the source is A-4, B-3, C-2, D-6. This implies location 2 on the map represents Chennai.