Oh paa jee, reports like (GHI) Global Hunger Index has the breakdown by percentage pls check it out.
And here is a UN report on malnutrition
http://www.unicef.org/specialsession/about/sgreport-pdf/02_ChildMalnutrition_D7341Insert_English.pdf
Here is from Indian source
http://www.littlemag.com/hunger/shiv.html
Some 47 per cent of India’s children below the age of three years are malnourished (underweight). In Sub-Saharan Africa, the proportion is, on an average, 30 per cent. Thirty out of 37 countries in Sub-Saharan Africa report lower levels of child malnutrition than India.
And here is an eye opener straight from Indian govt.
http://ibnlive.in.com/news/836-million-indians-live-on-less-than-rs-20-a-day/47645-7.html