Q: Describe disarmament in international law ?

Ans: The two military grouping that emerged after the world war 2, the eastern and western bloc of countries became locked in an arms race. There was the era of cold war at that time.The  super powers were USA and Russia and the race of weapons started between these two countries.They made so many weapons that they can destroy the complete earth.Thus a fear got arisen about the arms or weapons of the countries.Disarmament means to go away from weapons or denying oneself or a country from possessing weapons or certain types of weapons. 
The disarmament means to not keep all weapons or some specific weapons like nuclear weapons.
The league of nations promoted the naval disarmament conferences and thus the big powers like U.K. , the USA,  France, Japan and Italy fixed sizes of the naval ships and the armaments they carry.
India and Nuclear Disarmament:
Even if India is a nuclear weapon state but it also supports nuclear disarmament.
India is one of the countries that denied to sign the non proliferation treaty.
India also denied to sign comprehensive test ban treaty although 184 nations signed CTBT.
CTBT bans the use of nuclear weapons.
MTCR: Missile technology control regime: India is a member of missile technology control regime.  It says that missile technology should be used in a limit.
Hindrances in disarmament:
Arms control is much better than disarmament.
So disarmament is not practically possible.
1. No alternative means to protect ourselves.
2. Due to terrorist nations.
3. Security reasons
4. Due to political rivalry among nations.
Keywords used : 
Proliferation: rapid increase in the number or amount of something.
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