Sub-grouping for rolling stock is based on main assemblies of which the item is a part (e.g., Brake fittings, Power Pack, Bogie items).

The serial number part 'C' of PL Number has 3 digits.

PL Group 33 represents LHB Coaches.

PL Group 92 represents Fuels and fuel oils.

PL Group 40 represents Cables and conductors.

Safety items list is published by the Railway Board.

Stores depot feeds the requirement in iMMS, then only the user can place requisition.

Custody Stores should not be mixed with Ordinary stock items.

S-1111 is not a stores form; S-1313, S-1830, and S-1302 are valid drawl forms.

Sub-group '19' in SPN represents Toners and cartridges, etc.

Main group '57' in SPN represents IT-related items.

SPN Number has no concept of a Check Digit, unlike PL Number.

Part 'C' of SPN Number consists of 8 digits (system generated serial number).

SPN Number consists of three parts: A (Main Group, 2 digits), B (Sub-group, 2 digits), C (Serial No., 8 digits).

Non-stock items are identified using SPN Number (Serial Part Number) - 12 digits as per UDM.

PL Group 77 represents Paints, enamels, varnishes, spirit, etc.

PL Group 73 covers Hardware items — fasteners, bolts, nuts, screws, washers, cotters, and pins.

PL Group 80 represents Oils and petroleum products (e.g., Grease, Servo RR).

PL Group 85 represents Bearings.

PL Group 98 is reserved for Scrap items.

There are 75 major groups in the current PL Number classification (evolved from 9 → 27 → 75).

In 25161040, the check digit is 0 (99 ÷ 11 = 9 remainder 0).

In Modulus 11, multipliers from 2 to 8 are written below each digit of the first 7 digits from right to left.

The Check Digit is calculated based on Modulus 11 method.

The Check Digit checks the integrity of the code number for data validation during computerization.

Part 'D' (Check Digit) of PL Number consists of 1 digit.

Part 'C' (Serial Number) of PL Number consists of 3 digits.

There are 99 sub-groups available in the PL Number system.

Sub-group '35' represents various sizes of Mild Steel Flats.

Part 'B' of PL Number represents the Sub-group (two digits).

Main group 50-59 represents S&T (Signaling & Telecommunication) items.

Main group 30-39 represents C&W (Carriage & Wagon) Parts.

Main group 20-29 represents Electric Loco Parts.

Main group 10-19 represents Diesel Loco Parts.

Main group 90 represents Steel items (Ferrous metals).

Part 'A' (Main Group) of PL Number consists of two digits.

PL Number consists of four parts: Main Group (A), Sub Group (B), Serial No. (C), and Check Digit (D).

PL Number (Price List Number) consists of 8 digits and is a semi-significant number.

Paints, washers, and rubber items are examples of shelf-life items.

Shelf-life items must be used within their prescribed storage period to ensure safety and performance.

Side frame key and brake blocks are examples of Must Change items.

Must Change items are replaced after a specified period, usage limit, or safety condition.

Bottle holders, hammer boxes, and taps are examples of Passenger Necessity items.

Passenger Necessity items are essential provisions to ensure passengers' basic needs during travel.

RC Fans and sealed window glasses are examples of Vital items.

Vital items stock-out might cause temporary losses in production.

CBC items, Brake blocks, and Fire extinguishers are examples of Safety items.

Safety items are those without which production/maintenance would come to a standstill. Their list is published by Railway Board.

Dead Surplus items have no use anticipated on any railway in the coming 24 months and should be disposed off.

Moveable Surplus means items anticipated to be issued within the next 24 months.

Surplus stores are of two kinds: Moveable Surplus and Dead Surplus.

Stores not issued for 24 months or more are classified as Surplus Stores.

Inactive stores have had no issues for the last 12 months with stock existing.

Sanction for Imprest items must be obtained from SAG Officer with Finance concurrence as per SOP Part-C Item No.1(b).

Imprest stock limits are generally fixed at 2 or 3 months requirement.

The main purpose of Imprest Stores is to control expenditure.

Form S-1313 Indent is used to draw Custody Stores.

Custody stores are purchased for special works, charged to those works, but kept in Stores Dept. custody due to inadequate user facilities.

Special stores are generally dispatched directly to users without stocking in stores depot.

Special stores are arranged for works and other special purposes other than operation or ordinary maintenance.

Items not readily available in the market requiring long procurement time qualify as Emergency stores.

Emergency stores are marked with letter 'E' as per Stores Code Vol-I Para 115.

Emergency stores are items that do not ordinarily wear out but are stocked for emergencies due to breakage or unanticipated deterioration.

Ordinary stores include New, Second-hand repairable, and Serviceable items.

Ordinary stores have regular turnover caused by constant demand.

Para 114 of Stores Code Vol-I defines Ordinary stores.

Stock items are further classified into six categories.

Form S-1302A is used for non-stock indents above Rs.10,000/-.

Form S-1302 is used for non-stock indents below Rs.10,000/-.

Para 116 of Stores Code Vol-I defines Non-stock items.

Form S-1830 is the Imprest Requisition Schedule used for Imprest items.

Form S-1313 (Requisition cum Issue Note) is used for drawl of Stock items other than Imprest items.

Stock items are frequently and regularly required, justifying inventory carrying cost.

Para 113 of Stores Code Vol-I defines Stock Items.

Based on Indian Railway Stores Code Vol-I, stores are classified into Stock and Non-Stock items.