1. A flower black in colour, Always suits top of the head. Blooms when it rains, Fades away when in shade.
2. It is nice and beautiful, But he walks without feet. Everybody loves him a lot, He is found with hard work.
3. I am always around you, Giving you life every moment. But when you pollute me, I cause havoc to your health.
4. Steel is my life, I am made up of steel. My feet are of steel, I walk only on steel.
Answers:
1. Umbrella
2. Rupee
3. Air
4. Train