In Bengali GEC, we have Zee Bangla's Korunamoyee Rani Rashmoni, Kadombini, Khirer Putul, and Star Jalsha's Kharkuto, Mahapith Tarapith, Prothoma Kadombini, which are NOT saas bahu sagas.
But because of budget, we have not witnessed supernatural thrillers like Nazar in Bengali domain.
As for artistic screenplay, without melodrama, we had Star Jalsha's Mahanayak (became highly controversial and successful), based on legendary Bengali actor Uttam Kumar, and a thriller, Bhumikonya, which wasn't successful though.
Still need the DSJZ, POW, comedy type shows.