It's true that it's hard to find shows where Mother in law is having good relationship with her daughter in law. But it's not like such shows doesn't exist.
1) Sasural Genda Phool 1 and 2 - Not only the female lead has lovely relationship with her mother in law but also her sisters-in-law maintains a good relationship with her mothers-in-law and their mothers-in-law also maintained a loving bond with their MIL.
2) Ek Nayi Pehchan - It was mostly like Daughter in law supporting her Mother in law to move ahead in life instead of bearing the forced responsibilities.
3) Humkadam - Similar concept of Ek Nayi Pehchan.
4)Yeh Rishta Kya Kehlata Hai 1 - Akshara and Gayatri had a lovely bond between them which everyone loved. Even after Gayatri's death, Akshara shared an amazing bond with her new mother-in-law Devyani. Both of them are really good hearted.
5) Patiala Babes - Babita's relationship with her ex sasur and saas was the exact meaning of parent's relationship with their daughter. They took their DIL's side even when they found that their son has remarried another girl and had been having EMA for years.
6) Shaadi Mubarak - Juhi and Kusum's relationship... Though they are not the main characters, their relationship was quite bright and realistic... Not like so supportive or so discouraging... But a balance between. I feel Preeti and Chanda's relation wasn't developed much as the show was discontinued.
7) Silsila Badalte Rishton Ka - Same case like Patiala Babes. The female lead was supported by her mother-in-law and her grandmother-in-law when husband cheated with her friend. The support remained till the end.
8) Jijaji Chhat Par Koi Hai - Though the leads are not married, the show has shown a good scope of CP and Bijli's harmonious relationship post their marriage.
9) Kuch Rang Pyaar Ke Aise Bhi - I know it is a lame choice to add this show as the show is all about mother's insecurities when her son brings her daughter-in-law and also the crap they did in Season 3. But towards the end of Season 1, they shown the progression of Ishwari and Sonakshi on how they reduced their bridge and bonded together in a detailed manner. Also Season 2 covers it. Just because it shown the relationship development between Ishwari and Sonakshi, I'm adding it here.
10) Iss Pyaar Ko Kya Naam Doon... Ek Baar Phir - Aastha and Anjali has a good relationship... Cannot remember their instances.
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