Market Sterling and Wilson Solar crisis: All you need to know Updated : November 18, 2019 12:18 PM IST The promoters were supposed to pay Rs 2,563 crore to Sterling and Wilson Solar by November 18 Of this, Rs 2,335 crore was the principal and the remaining was interest. The promoters only repaid Rs 250 crore and wrote to Sterling and Wilson’s board on November 14 seeking a revised repayment schedule citing "significant and rapid deterioration in credit markets." Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.