Subject Book spiral binding150.pages.

Description

Based on the image provided, this is a ruled index page, often used in ledger books, registers, or medical record systems to organize and track entries.
Key Features
Layout: The page features a "INDEX" header with sub-columns for structured data entry, typically including headers like "S.No" (Serial Number), "Particulars" or "Account Head", and "Folio" or "Page Number".
Paper Style: It is printed on buff or canary-yellow ledger paper, which is a durable, heavy-duty stock (often 24 lb. or 70 GSM) designed for long-term record-keeping and resistance to yellowing.
Common Uses:
Accounting & Business: Used in ledger registers or stock books to list accounts or inventory items and their corresponding page locations.
Medical Records: Similar formats are used for "Progress Notes" or "Continuation Exam Records" in healthcare settings to track patient visits and clinical observations