As the end of March 2010, LIC India's Largest Insurer has the following break-up of Investments, [ Source Annual Report]
These are the major Long Term Investments made by LIC.
Government securities and Government guaranteed bonds including Treasury Bills Rs 4.37 Lakh Crore [ $97.2 Bn] 16% YoY increase
Other Approved Securities - Rs 23,921 Cr [ $5 Bn]
Equity Investments - Rs 1.80 Lakh Cr [ $40 Bn] Increase of 115%
Debentures - Rs 89710 Cr [ $20 Bn]
Real Estate - Rs 4136 Cr [ $1 Bn] Mostly its own Offices
It also has Short Term Investments approximately 10% of the total Long Term Investments and is beyond the score of this study.
LIC must have heavily bought in Equities in Q2-2009 and hence the Equity NAV saw a whopping 115% jump. These are all Long Term Investments made by the company and it really makes money in the long run.