Union Minister for Science and Technology and Earth Sciences Kapil Sibal, Tamil Nadu Governor Surjeet Singh Barnala and State Ministers participated in the function.
Dr Singh said many bright young Indian scientists working abroad in advanced fields of research wish to come home for varying periods of time and "we must fully exploit the potential of this reverse brain drain."
The beat constables were suspended for dereliction of duty.
Konkan Railways' Anti Collision Device is the first device of its kind in the world
The instrument, built by Joseph Pichamuthu who was formerly with the National Aerospace Laboratories, helps a pilot make a safe landing even when the aircraft is directly facing the sun.