In ancient India, manuscripts were commonly written on natural materials that were abundant and suitable for inscription. Two widely used traditional writing surfaces were:
Palm leaves: Especially used in southern and eastern India. The leaves were dried, treated, and inscribed using a stylus.
Bhurjapattra (birch bark): Used in northern regions, especially in Kashmir and the Himalayas. It is derived from the bark of the Bhojpatra tree.
Explanation of Other Options:
(B) and (D): Stone slates and wood panels were not common for manuscript writing.
(C): Stone slates were used for inscriptions, not manuscripts.