Section 6A(6)(i) in The Salary, Allowances and Pension of Members of Parliament Act, 1954
(i)to one free pass for one person to accompany the member and travel by the [highest class] [Substituted by Act 60 of 1988, s.5 (w.e.f. 1-4-1988) ] by steamer to and fro any part of the constituency of the member and any other part of his constituency or the nearest port in the mainland of India; [or] [Substituted by Act 60 of 1988, s.5 (w.e.f. 1-4-1988) ]