Conversation so far:
What is Coolie injury?
the corner of the table struck his abdomen, resulting in a splenic rupture from which he lost a significant amount of blood.
Did it affect his career?
Nevertheless, he resumed filming later that year after a long period of recuperation.
How long was he out of filming?
he resumed filming later that year.
What movie was he working on at the time?
starred in the top-grossing film of that year, Coolie.

Question: Where did he get the injury?
Self-contained rewrite: Where did Amitabh Bachchan get the injury?