President Pranab Mukherjee has said that a strong deterrent is needed against those who want to adversely affect India's progress and security. He said, the ever changing socio-economic and geo-political scenario in our region of influence demands a strong deterrent against those with nefarious designs to affect the progress, prosperity and security of the country.<br/><br/>Mr Mukherjee said, India is a responsible and emerging power in a multipolar, multilateral world. He was speaking after awarding the President's 'Standard' to 125 Helicopter Squadron and 'Colours' to Mechanical Training Institute at the Tambaram air base, near Chennai today. Mr Mukherjee said, apart from providing deterrence against inimical entities, both external and internal, the armed forces have been at the forefront of providing succour to the citizens during natural calamities.