Q. In the context of Koftgari and metalwork, which of the following metals were commonly used for inlaying onto the base steel surface?

1. Silver
2. Gold
3. Aluminium
4. Lead

Select the correct option from the codes given below:
Answer: Only 1 & 2
Notes: Koftgari is the art of inlaying precious metals like gold and silver onto steel or iron surfaces. It was commonly used to decorate weapons such as swords and shields. Aluminium was not available in metallic form during the medieval period, and lead was not typically used for this purpose.