Where is the wheel and axle plant of Indian Railways situated?
Why Radiocarbon is produced in the atmosphere?
It is easier to roll a stone up a sloping road than to lift it vertical upwards, what is the reason behind this?
The absorption of ink by blotting paper involves which phenomenon?
When was the Jammu City appeared on the map of Indian Railway?
Where is the headquarters of Central Railway situated?
Camelopard the former name of which animal?