Step 1: Identify that Article 43B is a Directive Principle of State Policy (DPSP).
The DPSPs (Articles 36-51) are guidelines for the state to follow in making laws and policies.
Step 2: Know the content of the relevant DPSPs.
Article 39A deals with Equal justice and free legal aid.
Article 43A deals with Participation of workers in management of industries.
Article 48A deals with Protection and improvement of environment and safeguarding of forests and wild life.
Article 43B was added by the 97th Constitutional Amendment Act, 2011.
It directs the state to "endeavour to promote voluntary formation, autonomous functioning, democratic control and professional management of co-operative societies.
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Therefore, Article 43B specifically deals with the promotion of co-operative societies.