Which of the following is correct?

The correct answer is Option (1) → Munshi was a person who can read, write and teach Arabic.

Out of the given options, only Munshi was a person who can read, write and teach Arabic is correct. Let's break down the others:

• Murals are not hanging rock paintings. Murals are large paintings applied directly on a wall, ceiling, or other permanent surface. Rock paintings are prehistoric creations made on cave walls or other rock surfaces.
• Gulfaroshan is not a festival of flowers. There's no common festival known by this name.
• Aurang was not a type of horsecart. While there are different types of horse-drawn carriages, "Aurang" is not a known term for one.