During the summer season, the atmospheric conditions over the Indian landmass are characterised by:
(i) High temperature over the north-western part.
(ii) Low pressure over the north-western part.
(iii) Development of local depressions.
(iv) Very high temperature over North Indian plains due to long days and distance from the sea.

The correct option is A All of the above

• Hot weather season is also referred to as summer season that lasts from March to May.
  
• Warm weather season in India is characterized by warm days and warm nights. Due to the northward movement of the sun, the global heat belt shifts northward. The summer months experience rising temperature and falling air pressure in the northern part of the country.
  
• It is characterized by high temperature over the north western part, low pressure over the north-western part, development of local depressions, very high temperature over North Indian plains due to long days and distance from the sea.