खालीलपैकी कोणत्या दोन राष्ट्रांची 1991 ते 2010 या कालावधीमध्ये महाराष्ट्र राज्यात औद्योगिक क्षेत्रात मोठी गुंतवणूक होती ?

The correct answer is Option C (America and Mauritius).

Key Points:
• Foreign Direct Investment (FDI) Trends: Following the 1991 economic reforms, the State of Maharashtra emerged as the single largest recipient of FDI inflows in India.
• Top Investing Nations: Between August 1991 and December 2010, Mauritius and the United States of America (USA) accounted for the largest cumulative share of approved and realized investments in Maharashtra's industrial and services sectors.
• Double Taxation Avoidance Agreement (DTAA): Mauritius served as the leading routing country for multinational institutional capital entering India due to favorable tax provisions under the historic Indo-Mauritius Double Taxation Avoidance Agreement.
• Industrial Concentration: These foreign capital flows were heavily concentrated in the automobile, chemicals, pharmaceuticals, electrical equipment, and information technology sectors along the Mumbai-Pune-Thane industrial corridor.
• Official Answer Key: The MPSC final revised answer key marked Option (3) as the correct option for Set A.
• Key Takeaway: America and Mauritius were the top investing countries in Maharashtra's industrial sector from 1991 to 2010.