Match the following: [IAS 2007] Name of Confluence River merging with Alaknanda A. Vishnu Prayag 1. Bhagirathi B. Karna Prayag 2. Mandakini C. Rudra Prayag 3. Pindar D. Deva Prayag 4. Dhauli Ganga A B C D (a) 1 2 3 4 (b) 1 3 2 4 (c) 4 2 3 1 (d) 4 3 2 1