The correct answer is: A. a-3, b-1, c-2
Gulab Singh was the founder of the Dogra dynasty in Jammu and Kashmir. He established the Raghunath Temple in Jammu in 1835. Ranbir Singh was the son of Gulab Singh and the second Dogra ruler of Jammu and Kashmir. He established colleges at Jammu and Srinagar in 1882 and 1889, respectively. Pratap Singh was the grandson of Gulab Singh and the third Dogra ruler of Jammu and Kashmir. He reformed the labour system in the state in 1889.
Here is a brief explanation of each option:
- Option A: a-3, b-1, c-2: This option is correct. Gulab Singh established the Raghunath Temple, Ranbir Singh established colleges at Jammu and Srinagar, and Pratap Singh reformed the labour system.
- Option B: a-1, b-2, c-3: This option is incorrect. Gulab Singh did not establish colleges at Jammu and Srinagar.
- Option C: a-2, b-1, c-3: This option is incorrect. Ranbir Singh did not reform the labour system.
- Option D: a-3, b-2, c-1: This option is incorrect. Pratap Singh did not establish the Raghunath Temple.