This upgrade will allow air operations by military and civil aircraft even in poor visibility and adverse weather conditions.
The chief of air staff said Chinese actions along the frontier including in the Ladakh sector are being monitored constantly and the IAF's overall preparations are part of continuing efforts irrespective of challenges from China.
'We should expect a cold-blooded, transactional relation that requires a lot of engagement and mutual trust to sustain,' says Constantino Xavier, Fellow, foreign policy, Brookings India.
'The regional context and the personal ties between Modi and Japanese Prime Minister Shinzo Abe to a large extent contributed to this dawn of a new era in bilateral relations,' says Srikanth Kondapalli.
President Pranab Mukherjee on Monday addressed the first joint sitting of Parliament as mandatorily required under the Constitution after the general elections. The address is the political, economic and foreign policy road map of the Narendra Modi government and covers virtually all crucial areas.