India and Vietnam have significantly strengthened their naval cooperation in recent times. Here are a few points to consider:

• The two countries are strategic partners with a shared vision of regional stability and security in the Indo-Pacific region.
• In 2016, India and Vietnam signed a memorandum of understanding (MoU) on defense cooperation, including naval cooperation.
• India has been training Vietnam's naval personnel and has also supplied military equipment to the country.
• In 2018, India and Vietnam conducted their first joint naval exercise in the South China Sea, aimed at enhancing interoperability and mutual understanding between the two navies.
• The two countries have also signed an agreement on sharing white shipping information, which would enhance maritime domain awareness in the region.
• India has also been helping Vietnam in developing its domestic defense industry, which includes building ships and submarines.
• India and Vietnam have also been collaborating in the area of maritime security, including countering piracy, drug trafficking, and illegal fishing in the region.

Overall, the naval cooperation between India and Vietnam is aimed at promoting peace, stability, and security in the Indo-Pacific region. Both countries have a strategic interest in maintaining freedom of navigation and ensuring the safety of shipping lanes in the region.