| 1. He served as the UPA-1 and UPA-2 governments' chief troubleshooter. |
| 2. During his political career, he held key ministries like Finance and Defence. |
| 3. Known as the 'other PM' in political circles. |
| 4. Swam across a hilly stream daily to attend school in his childhood. |
| 5. His childhood nickname 'Poltu' was inspired by his marching-like style on the way to school. |
| 6. As a child, he divided kids into 'British' and 'Indians' groups for pretend fight games. |
| 7. His father was a freedom fighter during the Indian Independence Movement. |
| 8. Before politics, he worked as a clerk and taught political science. |
| 9. Mentored Sonia Gandhi as she entered active politics. |
| 10. Considered the de facto number two in the Manmohan Singh government despite not becoming Prime Minister. |
| 11. Was a dedicated worker, often putting in 18-hour workdays. |
| 12. Enthusiastic non-vegetarian who especially enjoyed fish curry. |
| 13. Had a vast collection of over 500 pipes as an avid pipe smoker. |
| 14. Rejected 31 mercy petitions during his presidency, including those of Afzal Guru and Ajmal Kasab. |
| 15. The only Finance Minister to present a budget seven times in the parliament. |