"What was the first capital of Chhatrapati Shivaji Maharaj's kingdom?"

The question asks: "What was the first capital of Chhatrapati Shivaji Maharaj's kingdom?"

• Rajgad was the first capital of Chhatrapati Shivaji Maharaj's kingdom. He ruled from Rajgad for about 25 years before shifting the capital to Raigad.
• Raigad became the capital later and was the site of his coronation.
• Shivneri is the birthplace of Chhatrapati Shivaji Maharaj.
• Torna was the first fort captured by Chhatrapati Shivaji Maharaj, but it was not his capital.

Therefore, the correct option is Rajgad.

The correct option is: 3) राजगड

The final answer is $\text{3}$