The Compendium of Caraka 6.29.105

6.29.105

kāśmaryāṇāṃ suśuṣkāṇāṃ droṇaṃ droṇaśate 'ambhasi/
sādhayejjarjaraṃ dhautaṃ caturdroṇaṃ ca śeṣayet//

and a droṇa of well-dried kāśmarya fruits, in a hundred droṇas of water; / bruised and washed, one should cook it and reduce it to four droṇas.