Market regulator Securities and Exchange Board of India (SEBI) has imposed a total penalty of Rs 18 lakh on Taurian MPS Ltd, its two directors and merchant banker Gretex Corporate Services Ltd for failing to make required disclosures in the company's initial public offering (IPO) documents. In an adjudication order passed on Tuesday, SEBI imposed a penalty of Rs 5 lakh on Taurian MPS, Rs 5 lakh jointly and severally on its directors Yashvardhan Sumit Bajla and Puja Sumit Bajla, and Rs 8 lakh on Gretex Corporate Services.