Internet services remained suspended and local cable channels remained blocked in certain parts of the hills.
Meanwhile, the family members of a Gorkha Janmukti Morcha (GJM) activist, who was allegedly killed in police firing on June 17, lodged a complaint against the police.
The police had earlier denied the allegation of opening fire at the GJM activists.
The GJM has decided to burn the copies of the Gorkha Territorial Administration (GTA) Accord, signed in 2011 between the Union home ministry, the West Bengal government and the outfit, on June 26 and 27.
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GJM chief Bimal Gurung, who had surfaced in public yesterday, addressed the media at the party's stronghold at Patlebas and threatened to "fight till the end" for their one-point agenda of a separate Gorkhaland.
Meanwhile, Bengal BJP chief Dilip Ghosh denied that the saffron party had ever talked about Gorkhaland.
"We had never talked about Gorkhaland. Didi (West Bengal Chief Minister Mamata Banerjee) had signed the GTA accord. We are not in favour of creation of states on the basis of any linguistic group or community. We had said this earlier too.
The GJM is an ally of the BJP in the NDA.
Gurung had said that talks were on with the Centre and that he was hopeful of "positive results".
Students stranded at several boarding schools were evacuated yesterday after the GJM offered them a 12-hour "window" till 6 pm to leave the hills safely.
A case of murder, arson, assault on police personnel and conspiracy to incite violence was filed against Gurung and his wife Asha on June 17.
The West Bengal government yesterday offered a dialogue to the GJM leadership in a bid to defuse the crisis with Home Secretary Malay De saying that the doors were "open for talks to restore normalcy in the hills".
The government also sent a letter to Union Home Minister Rajnath Singh protesting Sikkim Chief Minister Pawan Kumar Chamling's support to the GJM's Gorkhaland demand terming it as "unconstitutional".