Conversation so far:
What caused Jayan's death?
Jayan was killed in an accident on the set of the movie Kolilakkam (English: Shockwave).
Where was the movie set?
the movie was being filmed in Sholavaram, near Madras, Tamil Nadu.
Who was starring in the movie with him?
co-star Balan K.
Nair.
What caused the accident?
During the re-take, the helicopter lost its balance and crashed along with Jayan who was hanging onto the landing skids, and he later succumbed to his injuries.
Was anyone else hurt?
regarding the circumstances of his death, primarily because the pilot and his co-star Balan K.
Nair, who was in the helicopter, survived with minor or no injuries.
Did he have any family at the time of his death?
His mother Bharathiyamma became bedridden after this incident, and she too died two years later.

Question: Was there any controversy about his death?
Self-contained rewrite: Was there any controversy about Jayan's death?