| 1. Sayan began working as a Group D staff at ‘South Eastern Railway’ in Kharagpur, West Bengal in 2013. |
| 2. He left his job at South Eastern Railway after 2 years to pursue a career in cricket. |
| 3. Since 2017, he has also been working at the Comptroller And Auditor General Of India (CAG) in Delhi. |
| 4. During the 'Vision 2020' trials in 2014, he was selected by Laxmi Ratan Shukla and received bowling technique guidance from Waqar Younis. |
| 5. Sayan joined the Bengal cricket team in 2014 and made his T20 debut against Delhi in Mumbai. |
| 6. Before joining the Bengal cricket team, he played local district-level cricket and second division cricket for a club in Chakdaha, West Bengal. |
| 7. He was a part of the Bengal U-19 and U-23 cricket teams. |
| 8. In 2017, Kolkata Knight Riders purchased him for Rs. 10 lakh in the IPL auction, where he did not play. |
| 9. In 2018, Delhi Daredevils acquired him for Rs. 20 lakh in the IPL auction. |