Are The NS&I Index Linked Savings Certificates Shariah Compliant?

Question: Index-linked-saving certificates: These are on sale intermittently and  for a term of 3 or 5 years. At the end of the term one can cash them or renew them for another term. The purpose is to keep the purchasing power of the money as when it was put in. This is done by adding … More Are The NS&I Index Linked Savings Certificates Shariah Compliant?