The death toll in Uttar Pradesh has reached to 72, in addition to 16 more deaths reported in the past 24 hours.
Shimla experienced the first snowfall on Sunday, Jan 3 which was recorded at over 10 centimetres by evening.
Met Department said that the region will witness more snowfall in the next two days.
Delhi and neighbouring areas witnesses rainfalls which brought the temperature down drastically.
Dense fog led to delay in trains and spelled havoc in traffic signals.
In Punjab and Haryana several trains were delayed due to dense fog, while traffic signals were hampered due to poor visibility.
The temperature in parts of Amritsar was recorded as 3°C.
In Bihar, heaters are being used by authorities to keep the animals warm in Patna zoo.
Authorities of Sanjay Gandhi Biological Park have reportedly made special arrangements and have covered the enclosures with straw mats.