Google's Sundar Pichai and Microsoft's Satya Nadella are rushing aid to India as the country battles an onslaught of coronavirus cases.

Sundar Pichai on Twitter:

Devastated to see the worsening Covid crisis in India. Google & Googlers are providing Rs 135 Crore in funding to @GiveIndia, @UNICEF for medical supplies, orgs supporting high-risk communities, and grants to help spread critical information.

"I am heartbroken by the current situation in India," Nadella wrote on Twitter.

Satya Nadella on Twitter:

I am heartbroken by the current situation in India. I’m grateful the U.S. government is mobilizing to help. Microsoft will continue to use its voice, resources, and technology to aid relief efforts, and support the purchase of critical oxygen concentration devices.

"I'm grateful the US government is mobilizing to help. Microsoft will continue to use its voice, resources, and technology to aid relief efforts, and support the purchase of critical oxygen concentration devices," he added.

Nadella was joined hours later by Pichai, who said in a Twitter post that he was "devastated to see the worsening Covid crisis," and announced 1.35 billion rupees ($18 million) in aid from Google and its employees.

Google (GOOGL) said in a blog post that it would provide a grant to UNICEF for urgent medical supplies, including oxygen and testing equipment. Give India, an online donation platform, will receive a grant for families hit by the crisis.

The company is also contributing $15 million in free advertising for public health information campaigns.