Profit expressed as a ratio of net value added is HIGHEST for

Let's solve the options one by one.

Option A: For industry 6:

Profit  = 31219 lakhs

Net value added = 42434 lakhs.

Required ratio = $$\ \frac{\ 31219}{42434}$$ *100

= 73..57 %

Option B: For industry 7:

Profit = 45392 lakhs

Net value added = 72290 lakhs.

Required ratio = $$\ \frac{\ 45392}{72290}$$ *100

= 62.79 %

Option C: For industry 4:

Profit = 3990 lakhs

Net value added = 5831 lakhs.

Required ratio = $$\ \frac{\ 3990}{5831}$$ *100

= 68.42 %

Option D: For industry 5:

Profit = 34943 lakhs

Net value added = 71739 lakhs.

Required ratio = $$\ \frac{\ 34943}{71739}$$ *100

= 48.70 %

Clearly A is the correct answer.