Hello Aspirant,

Postulates of Bohr's atomic model are described below :-

• Electrons revolve in definite circular around nucleus.
• As long as they revolve, they neither lose nor gain energy. Such orbits are called stationary orbits.
• When an electron jumps from an orbit of higher energy to lower energy it release energy in the form of radiations and vice-versa.
• An angular momentum of revolving electron is an integral multiple of h/2π.

It was propsed by Bohr to explain the stability of atom and the line spectrum of hydrogen atom.

I hope this answer helps you.

For further doubts feel free to ask here.

Good Luck!!