Dear Deepak,
Investment in Land is always one of the most preferred investment in India, As we know that land is limited in availability, Further availability of land for special purpose at specified location is very hard to get hence buyer is ready to pay higher prices for such land at desired location. As we know that land/space is first requirement not only for residence but also for business of any kind. 
Hence there are several benefits for investment in land , some of them can be counted on fingures as given below:-
1. Higher return :- As we know that investment in land can pay such a higher return which may not be possible with other investment types. 
2. Security :- Land provide security for taking risk in your other investment ideas.
3. Liquidity:- If you have a plot of land, then you can easily take loan from any bank or financial institutions for providing liquidity to fulfill your dreams.
4. Benefits for development:- If you have a plot of land in fast developing areas then it’s value may rise many fold in just few years as it may become urgently required for nearby business for their expansion.
5. Business:- In future you can start your on business on your plot of land and it will give you competitive advantage as you need not to pay lease rent and higher land price in future. Further you can get loan on security of land to start a business on same land.
6. You can build your own house on this land or you can build appartments for rent.
7. Plot of land is one of the best gift for your kids as its value will increase with increase in population.
8. Financial freedom:- A plot of land at good location can set you financially free. As you can build multiple floors and earn rent income keeping one floor for self. Then your rent income may be enough for all your expenses. And you need not find a job. But it depends on location and demand of rented appartment. 
9. If land document are properly registered, this assets cannot be stolen. 
 10. Emergency :- In emergency situations like higher food inflation, scarcity of foods, one can choose to use its land for agriculture and grow foods hence land can make you survive even in situation of emergency. 
And many more
Hence location of plot of land is most important thing which should be taken care while investment in a plot of land.
But there are situations, which can convert this best investment in worst:-
1. Flood:- If you have a plot of land at such a location which face flood again and again then it can make this land unusable for several purposes and its value fall drastically. Further land near beaches may loose its value due to rising sea level due to global warming.
2. Earthquake or land sliding:- Your investment in land at hilly areas may be distroyed due to earthquake or land sliding.For example, many people invested their whole life earning in houses in Joshimath but all houses cracked due to environmental issues.
3. War:- In the situation of war/social unrest land loses its value as people are bound to leave their places for indefinite period. For example, some Kashmiri pandits had to sell their houses in Kashmir at very less value. For more example , land prices in ukraine are falling due to war.
Hence there are many benefits of investment in land but we should apply due care in deciding location and some other factors.