Step 1: List the given figures.
From the table, Odisha has 68.4 years, Bihar has 68.9 years, Haryana has 69.7 years, and Kerala has 75.2 years.
Step 2: Sort them from smallest to largest.
Reading the numbers in increasing order gives 68.4, then 68.9, then 69.7, then 75.2.
Step 3: Attach the state names to that order.
That numeric order corresponds to Odisha, then Bihar, then Haryana, then Kerala.
Step 4: Match with the options and conclude.
This sequence exactly matches option (C). Hence, the correct answer is Odisha, Bihar, Haryana, Kerala.