Section 28(4)(b) in The Punjab Minor Mineral Concession Rules, 1964
(b)The contractor shall submit a return in respect of saltpetre in form 'OO' by the 10th October every year to the Director and to the District Industries Officer concerned, giving the total quantity of saltpetre raised and despatched from the specific area out of the area under contract during the period from the commencement of the contract to the 30th September next following and the quantity likely to be raised and despatched during the month of October following immediately, and its value, separately, and such other information relating to the contract as may called for by the Director].