New Delhi (Agencies): Showing serious concerns over Chinese military modernisation, Defence Minister AK Antony stressed on India needs to carry out a "comprehensive review" of its defence preparedness and "remain vigilant" to meet its security challenges.

"Modernisation of armed forces in China and its ever-increasing military spending is a matter of serious concern but we are not unduly worried because we also will have to modernise and strengthen our armed forces," said Antony.

"We also must strengthen our capabilities and infrastructure in our area and we are doing it. Government is also modernising armed forces and strengthening infrastructure in border areas," he added.

After China started deploying missiles and boosting its military infrastructure along the border, India also upgraded its roads and aviation infrastructure there.

It is also in the process of posting four squadrons of the Su-30 MKI air superiority aircraft along with the raising of two new Mountain Divisions of the Army.

The review of capabilities of armed forces was an "ongoing and constant" process and the defence preparedness was being reviewed on a regular basis and "if there are any gaps, they will be filled up," said the Minister.

"We are not modernising our armed forces by keeping in mind any other country's modernisation. We are modernising our forces on the basis of a comprehensive review of the emerging security scenario around us," Antony said.

On the reported Chinese oppositions over the trilateral Malabar series of war games between India, America and Japan, the Defence Minister said, "Malabar exercise started 15 years ago and we hold it every year. There is nothing against a particular country. It is to increase capabilities of our Navy."