Every option represents the accuracy of different geographical statements about various hill ranges in India.

Option 1 suggests that only one statement is correct. However, none of the statements are accurate.

Option 2 implies that two statements are correct, which is not true as all the given statements are incorrect.

Option 3 suggests all three statements are accurate. In reality, Amarkantak Hills are not at the confluence of the Vindhya and Sahyadri Ranges, the Biligirirangan Hills are not the easternmost part of the Satpura Range, and the Seshachalam Hills do not constitute the southernmost part of the Western Ghats.

Option 4, which is the correct answer, implies that none of the statements are correct. The hills are not located as per the descriptions given in the statements.