Question

why does high pressure belt States starts creating in the northern plains durring the month of October and November​

Answer 1

Answer:

During October-November, with the apparent movement of the sun towards the south, the monsoon trough or the low-pressure trough over the northern plains becomes weaker. This is gradually replaced by a high-pressure system. ... By the beginning of October, the monsoon withdraws from the Northern Plains.

Answer 2

Because During The Month of October and November

Wind blows from North-East To Southwest i.e. from land to sea As Sun is now in southern hemisphere

Sea in Southern Hemisphere will be at low pressure as sun in in southern Hemisphere and Land in northern hemisphere is at high pressures

Hence Proved