The inputs also suggested that threats have come to the Indian assets in the Himalayan country from Nepal Maoists and some other anti-India forces.
"We have reviewed the security after the Intelligence inputs and have decided to fortify the Embassy in Kathmandu which include deployment of more commandos and putting in place more security measures," the official said.
Currently, the Kathmandu mission is guarded by commandos of Central Industrial Security Force.
The government is also contemplating to review security in the Indian Embassy in Colombo.
"Though there is no specific threat to Colombo mission which is well guarded, we will review security there too," the official said.
The Sri Lankan mission is guarded by BSF personnel.