Who among the following was the architect of the Integrated Guided Missile Development Program (IGMDP) in India?

A. P. J. Abdul Kalam 

The correct answer is Option (3) - A. P. J. Abdul Kalam

Integrated Guided Missile Development Program (IGMDP) was the brainchild of renowned scientist Dr APJ Abdul Kalam. It was intended to attain self-sufficiency in the field of missile technology. After keeping in mind the requirements of various types of missiles by the defense forces, the program recognized the need to develop five missile systems. The IGMDP formally got the approval of the Indian government on 26^th July 1983. The missiles developed under IGMDP are:

• Short-range surface-to-surface ballistic missile - Prithvi
• Intermediate-range surface-to-surface ballistic missile - Agni
• Short-range low-level surface-to-air missile - Trishul
• Medium-range surface-to-air missile - Akash
• Third-generation anti-tank missile - Nag