As per the Apprentices Act, 1961, the minimum stipend to be provided to an apprentice should not be less than the prescribed minimum wage for unskilled workers as per the respective state's regulations. In Bihar, the minimum and maximum tenure for an apprenticeship typically ranges from 6 months to 5 years, depending on the type of trade or skill being imparted. It's essential to adhere to the stipulated labor laws and regulations while determining the stipend and tenure for apprentices in Patna, Bihar.