Stability:- How much zone are there in the world for stability purpose?

Stability:- How much zone are there in the world for stability purpose ?

In which zone does India come ?

Thanks & Regards
Ranjan Verma
Ipca Laboratory

Total 4 zone available in world
India including zone 4b hot and High humide. 35/75

Thanks sir,
But what about 30/65 & 40/75.
Please…

30/65 comings to zone iv-a and 30/75 comes to zone iv -b and our country comez to zone iv-a

Thanks sir


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