West Bengal Chief Minister Mamata Banerjee called for peace in Darjeeling where an indefinite strike called by the Gorkha Janamukti Morcha entered the eighth day, as she left for The Hague where she will attend a UN meet. "We appeal to everybody to maintain harmony," Ms Banerjee said. Union home minister Rajnath Singh spoke to the chief minster yesterday for an update on the situation in Darjeeling.