According to India's National Policy on Biofuels, which of the following can be used as raw materials for the production of biofuels?
1. Cassava
2. Damaged wheat grains
3. Groundnut seeds
4. Horse gram
5. Rotten potatoes
6. Sugar beet

Select the correct answer using the code given below :

Correct Option: (a) 1, 2, 5 and 6 only

India's National Policy on Biofuels permits the production of biofuels from surplus food grains and raw materials such as cassava, damaged wheat grains, broken rice, rotten potatoes, and sugar beet. Edible oilseeds like groundnut seeds and pulses like horse gram are strictly excluded to prevent food security crises.