A 43-year-old idli seller from Naigaon was found in possession of 2 kg of whale vomit, worth Rs 5 crore, which he wanted to use to pay off his debts, police said on Friday.

Shendu Raman Shrinivasan, who was arrested by Aarey police on Wednesday, told officers he had taken a loan for his idli shop. However, he was struggling to repay  it.