Explanation:

Definition of Recognition:
A union must be recognised before it may effectively represent any employees. Once a union is recognised it serves as the bargaining agent for the workers in a particular bargaining unit. An employee may not circumvent the union, because recognition entails willingness ‘to negotiate with a view to striking a bargain and this involves a positive mental decision.

Need for recognition:
Recognition of trade union is the backbone of collective bargaining. It has been debated time and again. But inspite of the government stated policy to encourage trade unions, there is no enforced central legislation on this subject. There are however voluntary code of discipline and legislations in some states