''Dravya'' (element including drugs) is the substratum for ''karma'' (actions) and ''guna'' (properties) and that which is the ''samavayi'' ''karana'' (intrinsic or material cause of its effect). [51] | ''Dravya'' (element including drugs) is the substratum for ''karma'' (actions) and ''guna'' (properties) and that which is the ''samavayi'' ''karana'' (intrinsic or material cause of its effect). [51] |