Answer : 3. "अलवर"
Explanation :

1. Rajasthan is one of the only states in the country to have a special Japanese investment zone at Neemrana in Alwar district, 130 kilometers from Jaipur.

2. About 545 acres of industrial land is reserved in Majarkath-Neemrana for Japanese investment.

3. Most of the investments are in the auto sector. The total investment of 27 companies is Rs 2539.60 crore.