The Punjab government promotes cooperative societies for fishers to improve:

The correct answer is: d) All of the above.

The Punjab government promotes cooperative societies for fishers to improve marketing of fish, access to credit, and collective bargaining power.

• Marketing of fish: Cooperative societies can help fishers to market their fish more effectively by pooling their resources and negotiating better prices with buyers.
• Access to credit: Cooperative societies can help fishers to access credit more easily by providing them with a guarantee and by pooling their resources.
• Collective bargaining power: Cooperative societies can help fishers to bargain for better wages and working conditions by representing them as a group.

Cooperative societies can also provide other benefits to fishers, such as training, insurance, and social support.