Option 1: Matches the tribes and regions correctly. Bhil corresponds to Terai, Tharu corresponds to Nilgiri, Gond corresponds to Bastar, and Toda corresponds to Malwa.
Option 2: Does not match the tribes and regions correctly.
Option 3: Does not match the tribes and regions correctly.
Option 4: Does not match the tribes and regions correctly.
The correct answer is Option 1 because it correctly matches each tribe with its corresponding region. It is important to understand the geographical distribution of tribes to have a better understanding of their culture, lifestyle, and historical significance.