Except as otherwise hereinafter provided, copyright shall subsist in any literary, dramatic, musical or artistic work (other than a photograph) published within the lifetime of the author until1[sixty years] from the beginning of the calendar year next following the year in which the author dies.
Explanation.--In this section the reference to the author shall, in the case of a work of joint authorship, be construed as a reference to the author who dies last.
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1. Substituted by Act 13 of 1992, sec. 2, for "fifty years" w.r.e.f. 28-12-1991.