Search giant Google has invested nearly $3.5 mn in 10 Indian social impact organisations that were picked through a competition this month.

Rajan Anandan, Vice President and Managing Director, Google India said in a blogpost on Friday that the Google Impact Challenge picked four winners who will receive $500,000 seed funding from Google and the six who will receive $250,000 each.

Here’s a look at the four companies picked by the judges:

• Agastya: Launch a network of motorbike science labs to address the lack of science equipment and digital resources for rural children.
• Digital Green: Scale a video hub and an online knowledge platform to help farmers gain the agricultural skills they need to lower their costs and increase their productivity.
• Janaagraha Centre for Citizenship & Democracy: Create online and mobile apps to connect citizens to their government representatives in urban India.
• Social Awareness, Newer Alternatives that combines solar-powered micro-ionizing water purification and biodigesting technology to improve water and sanitation infrastructure for rural villages.

Google said it invested $250,000 each in six other finalists.  The other organisations were Breakthrough, Chintan Environmental Research & Action Group, Going to School Fund, Pratham Books, Prayas Energy Group and Shelter Associates.