Based on the Lok Sabha seat allocation before the bifurcation of Andhra Pradesh and based on the 2001 census (which informed allocations until 2026), unified Andhra Pradesh had 42 seats and West Bengal also had 42 seats. Checking the other options: Punjab (13) vs Assam (14), Gujarat (26) vs Rajasthan (25), Madhya Pradesh (29) vs Tamil Nadu (39). None of these pairs had equal seats.