One of the largest challenges facing the world's most populous nation is food security.

How to sustain food production for 1.4 billion people in India amid deteriorating soil conditions,

diminishing water supplies, and climate change. For some, including hundreds of artificial

intelligence startups, the challenge represents a business opportunity.

From India, Fred de Sam Lazaro reports.

From all appearances, this vineyard looks very healthy,

but its owner must stay constantly on guard for pests or disease

that can wipe out a crop.

Another challenge, persistent water shortages.

Water is very scarce.

Especially water management is very difficult.

Just over a year ago, Naraynapa Murthy signed on to a service that for between $30 and $70 a year offers a bounty of useful data.

A sensor constantly monitors soil and leaves for moisture, which, along with weather data,

is analyzed with artificial intelligence to provide guidance precisely tailored to this farm.

It's led to big savings. 50 to 60 percent per net.

So you have saved 60 percent in your water bill?

Water bill and power bill.

Murthy has branched out to grow pomegranates and added a newer model of the sensor,

made by an agriculture tech startup called Philo. Irrigation all the way it will be the same.

Philo has seen robust growth since its founding five years ago.

We are working with almost 10,000 plus farmers.

Shriog Norlawar, Philo's sales chief, says in many cases the company's product

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