The Compendium of Caraka 1.5.106

1.5.106

añjanaṃ dhūmavartiśca trividhā vartikalpanā/
dhūmapānaguṇāḥ kālāḥ pānamānaṃ ca yasya yat//

collyrium, smoke-stick, and the threefold preparation of sticks;
the benefits of smoke-inhalation, its times, and the proper measure of inhalation for whom;