Section 987(j) in Police Regulations, Bengal , 1943
(j)The Arsenal authorities will not send any ordnance stores except small arms ammunition by passenger train, unless a request to that effect be endorsed on the requisition. In such cases sanction to the extra cost to the Provincial Government over that at goods train rates is required, and when such has been incurred, a request by the Arsenal is attached to the delivery voucher, asking the Superintendent to obtain the requisite sanction.