Earlier, India had refused China's request to enter Indian waters for the search for the plane.
According to speculations, the plane is in soth Indian ocean.
The Ministry of Defence on Friday approved the deployment of Indian Armed Forces for the search, it said in a statement.
A C-130 Hercules of the Indian Air Force and a P-8I long range maritime surveillance aircraft of the navy had been dispatched to augment the SAR on Friday.
"The crew are being briefed by the Malaysian authorities. Once the search areas are indicated, these aircraft will commence the operations from tomorrow," said India in a statement.
The Malaysian plane MH370, with 239 people abroad, went missing on March 8 during its flight from Kuala Lumpur to Beijing in China.
High-level team meets family members
Meanwhile, a high-level team from Malaysian government met with the anxious family members of Flight MH370 passengers on Friday to brief them on the situation.
The team, led by Royal Malaysian Air Force (RMAF) Air Operations Commander Leftenant General Datuk Seri Ackbal Abdul Samad, included representatives from the Prime Minister's Office, the Department of Civil Aviation and Malaysia Airlines (MAS).