RANCHI, April 24 -- A special CBI court on Friday brought a long-awaited conclusion to a nearly three-decade-old corruption case, convicting four individuals including a transporter and petroleum company officials for their roles in the infamous Bihar-Jharkhand bitumen scam, people familiar of the development said.

Special judge Yogesh Kumar (CBI-1, Ranchi) handed down a three-year prison sentence and imposed Rs.9 lakh fines each on primary transporter Vinay Kumar Sinha, along with three others: Ashish Maitey, Raj Kumar Roy, and Ranjan Pradhan. Meanwhile, citing a lack of evidence, the court acquitted three former officials, SK Das, SM Aurangzeb, and NC Prasad.

The case dates back to 1997, focusing on the fraudulent misappropriation of ...