The Calcutta High Court's single bench led by Justice Kausik Chanda passed the order while hearing West Bengal Chief Minister Mamata Banerjee's election petition.
Suvendu Adhikari's father Sisir Kumar Adhikari and brother Dibyendu Adhikari have been provided the cover by the ministry on the basis of a threat perception report
After the fourth round of counting, Banerjee is trailing behind her one-time aide Adhikari in Nandigram in East Midnapore district by a margin of 3,710 votes.
Veteran TMC MP Sisir Adhikari - father of Suvendu Adhikari - joined the BJP at Egra on Sunday in the presence of Union Home Minister Amit Shah and other senior leaders of the party.
Earlier in the day, Adhikari had asserted that his son Suvendu, locked in a fierce battle with Chief Minister and TMC boss Mamata Banerjee in Nandigram, will bag the seat at ease.
Accompanied by party president Subrata Bakshi, Banerjee filed her papers at the Haldia sub-divisional office here, after taking part in a 2-km roadshow.