Section 6(1)(l) in The West Bengal Premises Tenancy Act, 1997
(l)where the tenant, or his spouse, or son, or daughter, or parent, or the widow of his predeceased son, who is dependent on him, does not reside in the premises [ten months] [Words substituted for the words 'for the most part of a year' by W.B. Act 14 of 2002, w.e.f. 10.7.2001.] and keeps the premises under lock and key.