Sign in

art and culture

PAGE 5

What is the unique number on trains?

From 1989 to 2010, long-distance passenger trains used four-digit numbering, which has now changed to five digits.
Published on Aug 6, 2026 08:04 IST

Why LPG cylinders are painted red

In India, red is used because it instantly signals danger, helping users stay alert while handling the cylinder.
Published on Aug 5, 2026 06:43 IST