Answer-'Dadni Pratha' was related to -

In order to make its pressure effective on the weavers, the company started the practice of giving money in advance, which is called Dadni practice. According to Dadni custom, the employees of the company used to give advance money to the weavers. And in return, they used to get a contract written, that they would give cloth on a fixed date in a fixed quantity and at a fixed price.