What is the best time or month for job search?

There is no any fix time to search the job. But other hand there is more posibility to get the job after Feb. mostly companies prepare thier new budget on Dec-Jan. So there are more possibility.

there's no best time, if there's a demand there will be hiring on any company but i believe first of jan, mid year, end of december 

There's no best time, in which you may search at any time, but usually fiscal yr may assist for more opportunities due to high turnover of emplyee(s) from one side & Write Re-structuring which have been taken recently to refresh bllod & stylish of their companies.

I think of May and June , all the other months of course , but in May and June companies starts to look for summer trainers and interships

In India March and April..

There is no need of good time for job searching. It's all depends on you when you have good Qualification with experience, you will be selected.  Just improve your skills and apply with confidence.

I am sure that if you deserve you will get InshAllah. 

In India it would be the month of July-August. When college results are out and cos go for campus recruitment.

For internships and MT session we could go for specific months. As far as job is concern there is no specific time. When there is need the search will be started.