According to an officer at the state disaster management department's control room, three more deaths in flood-related incidents were reported from north Bengal in the last 24 hours.
As the situation has improved, the authorities have expedited the relief works.
"We are constantly monitoring the situation in the six districts. The district magistrates are working 24x7 distributing relief materials -- dry food, cooked food, drinking water pouches and medicines," the officer said.
West Bengal Panchayat Minister Subrata Mukherjee said roads as well as pipelines supplying drinking water were badly damaged due to the floods.
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"We are worried over the situation in the six north Bengal districts. We are also worried about the damage to the pipelines supplying water and the submersible pumps. The floods have destroyed many roads. The panchayat and rural development department will conduct a survey to assess the damage," he added.
The floods have affected about 15 lakh people in Coochbehar, Dakshin Dinajpur, Uttar Dinajpur, Jalpaiguri, Alipurduar and Malda districts of north Bengal since July 21.
National carrier Air India's (AI) lowest price for a Bagdogra-Kolkata air ticket was Rs 3,315 and the highest Rs 9,736 today.
A Kolkata-Bagdogra AI ticket was priced between Rs 3,804 and Rs 9,421, an official from the airline said, adding, "We are trying to make available as many low-priced tickets as possible for this sector."
"The state chief secretary has sent a letter to the civil aviation secretary, seeking his intervention as some private airlines are taking advantage of the situation and charging exorbitantly for a ticket between Bagdogra and Kolkata," Chief Minister Mamata Banerjee had said.
The Eastern Railway (ER) is operating trains up to Malda from Kolkata. Train services beyond Malda have been suspended due to inundation of the railway tracks in north Bengal, Bihar and Assam.
Train services to different destinations of north Bengal and Assam from Howrah and Sealdah stations remained suspended for the sixth consecutive day today, an ER spokesman said.
Bus services between the southern and northern parts of the state have remained suspended for the last five days owing to inundation of national highways 34 and 31 and state highways at different places of north Bengal.