West Bengal Governor Keshri Nath Tripathi expressed his "heartfelt condolences" and called the death of former President A P J Abdul Kalam an "incomparable loss to the nation."
"A scientist, teacher and an able administrator, A P J Abdul Kalam was known as the Missile Man of India and was instrumental in making the nation's defence invincible through his pioneering role in missile technology and Pokhran II nuclear test.
"The respect he commanded was exemplified by the fact that his Presidential candidature was supported both by the ruling the main opposition party," Tripathi said in a statement.
"I am one with the nation in grief at this moment of great loss," the Governor added.
