The roles and responsibilities of packing labor for MSME sector (Micro, Small and Medium Enterprises) may vary depending on the specific job requirements and employer. However, some common responsibilities may include:

1. Packing: The packing laborer must be able to pack products securely and safely to prevent damage during transport.

2. Labeling: The laborer must be able to label the packed products correctly to ensure that they are easily identifiable.

3. Quality control: The laborer must be able to inspect the products for quality and make sure that they meet the required standards.

4. Inventory management: The laborer must be able to maintain an inventory of the packed products to ensure that the stock levels are adequate.

5. Equipment handling: The laborer must be able to handle packing equipment such as tape, bubble wrap, boxes, and other materials.

6. Organization: The laborer must be able to organize and arrange the packed products for maximum efficiency.

7. Communication: The laborer must be able to communicate effectively with the team and follow instructions from the supervisor.

8. Safety: The laborer must be aware of and follow safety protocols to prevent injuries during the packing process.

Overall, the responsibilities of packing labor for MSME sector involve ensuring the safe and efficient packaging of products for storage or transportation, maintaining inventory levels, and adhering to quality control standards.