From the limited information provided in the question, we reply your question as under;

An intelactual property right that is availale on feature program is copyright and the same is subject to juridictional copyright laws e.g. in India the same is subject to Copyright Act. Once a program feature is created by a person, he owns the copyright on the same and further broadcasting of the same is subject to permission from him. However there are are several riders and for several purposes as provided in the Copyright Act, permission is not required. In india copyright subsists for the period of 60 years.

we may be able to answer query in detail on receipt of full facts and circumstances

Another channel to broadcast the same program is infringement of copyright regardless of duration.