some low trp serial on air zeetv why?

punar vivaah season 1 give 2+ trp because of yash-arti chemistry every one watching & like her but zeetv replace punar vivah season 1 to season 2 it get only 1.0 trp .it is so very low because people don't like divya-raj chemistry .do you think zee tv doing good or not?

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