पंजाबी सूबा आंदोलन के दो प्रमुख नेता कौन थे?

What was the primary basis of the demand for the Punjabi Suba movement for a separate state?

When was the demand for Punjabi Suba finally accepted by the Indian government?

After the merger of PEPSU with Punjab, who continued the agitation for Punjabi Suba?