Explanation:

- The Stand-Up India scheme is designed to support entrepreneurship in specific sectors.

- Option 1: 1, 2 and 4 (farming sector, manufacturing sector, trading sector) - The scheme does not include the farming sector as a focus.

- Option 2: 1, 3 and 4 (farming sector, service sector, trading sector) - The farming sector is not a primary area of focus.

- Option 3: 1, 2 and 3 (farming sector, manufacturing sector, service sector) - Farming is not included in Stand-Up India's scope.

- Option 4: 2, 3 and 4 (manufacturing sector, service sector, trading sector) - Correct. Stand-Up India aims at promoting enterprises in manufacturing, services, and trading sectors.