Question

....................... was the most commonly used writing material in the medieval period of the Indian subcontinent.​

Answer 1

For a period that has come to be so strongly associated with the Islamic influence and rule in India, Medieval Indian history went for almost three whole centuries under the so-called indigenous rulers, that included the Chalukyas, the Pallavas, the Pandyas, the Rashtrakutas, the Muslims rulers and finally the Mughal ...

Answer 2

I think manuscript is the answer