Which one of the following Sections of the Hindu Marriage Act, 1955 provides conditions of marriage ?

Section 5 of the Hindu Marriage Act, 1955 sets out the "conditions for a Hindu marriage": neither party has a living spouse, soundness of mind, the minimum ages, and that the parties are not within prohibited degrees or sapindas of each other unless custom permits. Section 2 deals with the application of the Act, section 3 with definitions and section 4 with its overriding effect.