I have mentioned before these Zee directors / producers / writers etc lack originality. The concept / story are almost the same. There is one similarity in TD, Astitva, Sinndoor and Piya Ka Ghar. I don't watch other serial so I have no idea what they are about.
Similarity: Maa baap ka kiya keraya, bachho ko bugethna perta hai. Parents do paap, children atone for it. This happens in real life too.
I have nothing against any parents. They are God's priceless gift for everyone. I am writing this only because writers people lack originality. The (below) parents are fiction, imaginary characters in these serials. Theses parents do not exist. If they do, it is purely coincidental. I am writing this based on what I watched so far. I bear no grudges against any parents.
Piya Ka Ghar (I don't watch this anymore. I have no idea what's going on now)
Irawati: Always taunted Yashoda and Rim Jhim. Till today, Jayanti has not received her husband's proper love (despite marrying twice). She too lost her own baby.
Naina Devi: Evil politician. Indirectly caused Pratiq's death. Kaveri widowed at a young age.
Rakesh: Had affair despite married. Cheated people. His Om, Tanya ke checker mein pes ker Tanya se shaadi ki. Tanya is determined to destroy the whole family.
Malini: witch. Suffered a miscarriage.
Rim Jhim: I have nothing to say about her except that she cannot mind her own business.
Sinndoor
Viren Raizada: Cheated Kavita. Abandoned Sundari. Antakrisk, Dhruv and Tara married wrong people. Shaadi shuda zindagi worse then hell. Dhruv's second wife is a witch.
Sundari: Had affair with a married man. So dumb. A married man or woman who has an affair, cannot be trusted at all. Rudra grew up without father's love.
Uma: Hid the truth that Vedika was mentally unsound. Did not tell Kavita that Niharika and Rahul are love birds. Bichari Tara ki zindagi berbaad hogayi. Vedika suffering over her real identity. Bicara Dhruv, Vedika ki sautan le aaya.
Astitva
Abhimanyu: Cheated Simran. Went against parents' wishes. Married Simran. Kiran ne zindagi berbaad ke di. Sia kidnapped ho gayi. Baap ka piyar nahin mila. Kiran aab Aastha ki zindagi berbaad ker rahi hai. usse brain wash ker rahi hai. He ran away. Neglected his duty towards his parents, Aastha.
Simran: Married against parent's wishes. Suffered tremendous pain. To an extend, responsible for Neha's depression. Aastha hates her.
Abhi's Mother: Hated Simarn. Got Kiran married to Abhi. Kiran left him. Made Simran swear that she (simran) leave Seksena family members alone. This kasam caused Anandi's death. Anandi's young son lost his mother.
Saurav: Was married but had a woman in life though he did not love her. His poor wife could tolerate and died. Saurav's fault. Simran suffered a lot. Second daughter died of cancer at young age. Reshmi widowed soon after first married.
TD
Dhruv: Married but still carried on his affair with Sumitra. Dk born out of wedlock. Suffered a lot. Still suffrering. Crippled. Poor boy. Choti umar mein maa baap ka saya, ser se uth gaya.
Sumitra: Claims she sacrified her love and made Dhruv married Gargi. Koi usse ye kyon nahi bata yak eh saccha pyar wo hota hai, jo has ke qurbani deta hai. Apne boy friend/girl friend ki zindagi say dhoor chala jata hai. She was not married to Dhruv. That's why she did not know what is a wife, who is a wife. She could not differentiate wife and mistress. If she had knows, she would not have kicked poor girl Disha out. Poor DK suffered.
Gargi: Killed Dhruv. Pori cheated Vedant. Disha left him at the mandap. No girl loved him. Bichara
Suhas: Made Disha sacrifice her love. Got Inder married to Rano. Poor girl widowed at young age and lost her baby. Rano shows no respect to her.
Sukanya and Anil: Evil people. Poor Gautham married Sanya. Another witch.
These Zee people should take a tip or two from Guli. I repeat I bear not grudges against any parent.
Yeh To Sach Hai Ki Bhagwan Hai
Hai Magar Phir Bhi Anjaan Hai
Dharti Pe Roop Maa Baap Ka
Us Vidhaata Ki Pehchaan Hai
Janmdaata Hai Jo, Naam Jinse Mila
Thamkar Jinki Ungli Hai Bachpan Chala
Kaandhe Par Baithke, Jinke Dekha Jahaan
Gyan Jinse Mila, Kya Bura Kya Bhala
Itne Upkaar Hain Kya Kahen
Yeh Bataana Na Aasaan Hai
Dharti Pe Roop Maa Baap Ka
Us Vidhaata Ki Pehchaan Hai