In the Delhi Metro, there are some things you're not allowed to bring with you. Here's a list:
Guns and Bullets: You can't bring any weapons like guns or bullets.
Fireworks: Any kind of fireworks are not allowed because they can be very dangerous.
Poison: No poisonous substances are allowed in the metro.
Petrol or Diesel: You can't bring petrol, diesel, or any other kind of flammable liquid.
Sharp Objects: Things like knives or large scissors should be left at home.
Balloons filled with Gas: Balloons that are filled with any type of gas are not allowed.
These rules help keep everyone safe while they travel on the metro.