Equity markets regulator, the Securities and Exchange Board of India (Sebi), has imposed a fine of Rs 5 lakh on erstwhile Satyam Computer’s compliance officer G Jayaraman for failing in his duty to avoid insider trading in the company’s shares in December 2008 — days before a major corporate scam broke out at the IT firm. Jayaraman’s role came to light during the market regulator’s investigations into the Satyam scam, which came to light during financial year 2008-09, Sebi said in an order dated July 27, which was made public on Wednesday.