Assertion: Foreign travellers to India used to refer to Muslin as malmal shahi.

Reasoning: Muslin was worn by the royalty during British India period.

Both Assertion (A) and reasoning (R) are correct and R is the correct explanation of A.

Muslin is a type of cotton textile which had its origin in Bengal, particularly, places in and around Dhaka (spelled during the pre-independence period as Dacca), now the capital city of Bangladesh. ‘Daccai Muslin’ had gained worldwide fame as an exquisite type of cotton textile. The finest variety of muslin was called malmal. Sometimes, foreign travellers also used to refer to it as malmal shahi or malmal khas implying that it was worn by, or fit for, the royalty.