Which of the following is correct about the properties of Gravitational Forces?
Which one of the following atmospheric layers absorbs the ultraviolet rays of the sun?
In India, financial emergency can be declared by?
The National Panchayati Raj Day is observed on?
In which year did Nawab of Bengal Siraj-ud-daula attack the British factory in Calcutta?
A television channel is characterised by:
What was the first route of the super fast Rajdhani Express which was introduced in 1969?