Pranab Mukherjee today resigned as the finance minister to contest the July 19 presidential election as the candidate of the ruling United Progressive Alliance.

Pranab Mukherjee (File pic)

"I am leaving behind my life as a political activist spanning over four decades," Mukherjee told reporters after submitting his resignation.

"I know that not every decision which I have taken might have been right but I have taken those decision keeping in view the interests of the people," he added.