SCL Ltd., a highly profitable company, is engaged in the manufacture of power intensive products. As part of its diversification plans, the company proposes to put up a windmill to generate electricity. The details of the scheme are as follows: 

1. Cost of the windmill Rs. 300 lakhs

2. Cost of Land Rs. 15 lakhs

3. Subsidy from state Government to be received at the end of first year Rs. 15 Lakhs

4. Cost of electricity will be Rs. 2.25 per unit in Year 1.

This will increase by Rs. 0.25 per unit every year till year 7.

After that it will increase by Rs. 0.50 per unit.

5. Maintenance cost will be Rs. 4 Lakhs in year 1 and the same will increase by Rs. 2 lakhs every year.

6. Estimated life 10 Years.

7. Cost of Capital 15%. < br/>8. Residual value of windmill will be Nil. However, land value will to up to Rs. 60 lakhs at the end of year 10.

9. Depreciation will be 100% of the cost of Windmill in Year 1 and the same will be allowed for tax purposes.

10. As windmills are expected to work based on wind velocity, the efficiency is expected to be an average 30%. Gross electricity generated at this level will be 25 Lakhs units per annum. 4% of this electricity will be committed free to the state electricity board as per the agreement.

11. Tax Rate 50%.

From the above information you are required to calculate NPV (Ignore tax on capital profits. Also list down 2 non-financial factors that should be considered before taking decision. (Nov 1995)