Section 392(a) in Rajasthan Land Revenue (Land Records) Rules, 1957
(a)The Office Qanungo is required to maintain a stock book of all survey instruments belonging to Government which are kept at the Tehsil or by the Inspectors and Patwaris of the Tehsil. He is also required to prepare each year a list of the survey instruments in stock for submission to the Sadar Qanungo by 1st June. Before its submission the list is checked by the Tehsildar who gives a brief report about the condition of each kind of instrument and the repairs required.