The alleged scam in CREST, involving nearly Rs 83 crore, had surfaced around two months ago. Probing the FIR registered in connection with the alleged Rs 83-crore scam involving the Chandigarh Renewable Energy and Science and Technology Promotion Society (CREST), the Central Bureau of Investigation (CBI) on Thursday arrested Haryana Power Generation Corporation Limited (HPGCL) Finance Director Amit Dewan, days after his arrest in the Rs 590-crore Panchkula bank fraud case. Dewan was produced before a special CBI court of Bhawna Jain in Chandigarh on Thursday after being brought from Ambala jail on a production warrant. The agency obtained his four-day custodial remand for further interrogation. He will now be produced before the court again on May 18. The CBI also secured a two-day remand of businessman Vikram Wadhwa, describing him as a key accused in both the Chandigarh Smart City and CREST scam cases.…