स्वतंत्रता के बाद अलग पंजाबी भाषी राज्य के लिए प्रारंभिक पंजाबी सूबा आंदोलन का नेतृत्व निम्नलिखित में से किसने किया था?

In which year was the Shiromani Gurdwara Parbandhak Committee (SGPC) initially established?

Who appointed the committee that drafted the Anandpur Sahib Resolution?

Who is considered the pioneer of the Punjabi Suba movement?