What will be the wisest decision to invest 1 lakh rupees in India to get a good return after 2 years?

Yes of course FII is quite interested in investing in India, government is business friendly and many more reason for the heads up.

You may analyse the available opp as per your risk appetite, Option are following

1. If looking for stable return with Low risk, -

Go for Fixed Deposits , Post office and bond , The expected return 7.5 % to 8.0% returns annually.

Debt Oriented Mutual fund - The expected return are .5% extra than post office and FD .

Note: as your holding time is less than 3 years , you would be liable to pay short term capital gain on your earning .

2. Willing for High Risk, you may get High Returns - Mutual Funds are one option. Investments in Mutual Funds will fetch you around 12 % to 15% returns. But it depends upon the stock market and the fund which you are investing.

You may also consider for equity Stock, Options etc.

Happy investing