Main •
Rhea Sharma as Dr. Kanak Rathi Toshniwal – Sooraj and Sandhya's daughter; Ved and Vansh's sister; Uma's wife (2017–2018) •
Avinesh Rekhi as Umashankar "Uma" Toshniwal – Kaushalya's son; Saraswati's brother; Aditya, Suman and Shiv's cousin; Meera's ex-husband; Kanak's husband. (2017–2018)
Recurring •
Neelu Vaghela as Santosh "Bhabho" Rathi – Arun's wife; Sooraj, Vikram, Mohit and Chavvi's mother; Mishri, Pari, Golu, Ved, Vansh, Kanak and Purab's grandmother (2017–2018) •
Ashok Lokhande as Arun "Bhabasa" Rathi – Santosh's husband; Sooraj, Vikram, Mohit and Chavvi's father; Mishri, Pari, Golu, Ved, Vansh, Kanak and Purab's grandfather (2017–2018) • Mayank Arora as
IPS Ved Rathi – Sooraj and Sandhya's elder son; Vansh and Kanak's brother; Payal's husband (2017–2018) • Kabeer Kumar as Vansh Rathi – Sooraj and Sandhya's younger son; Ved and Kanak's brother; Saraswati's husband (2017–2018) • Shefali Singh Soni as Payal Pathak Rathi – Anshul and Himani's daughter; Aditya's ex-wife; Ved's wife. (2017–2018) •
Swati Kapoor as Saraswati Toshniwal Rathi – Kaushalya's daughter; Uma's sister; Aditya, Suman and Shiv's cousin; Vansh's wife. (2017–2018) •
Kanika Maheshwari as Meenakshi Rathi – Vikram's wife; Mishri and Golu's mother; Pawan's grandmother. (2017) •
Rajeev Singh as Vikram Rathi – Arun and Santoshi's second son; Sooraj, Mohit and Chavvi's brother; Meenakshi's husband; Mishri and Golu's father; Pawan's grandfather. (2017) • Uday Nene as Golu Rathi – Vikram and Meenakshi's son; Mishri's brother; Rani's husband. (2017) • Sheetal Pandya as Rani Rathi – Golu's wife. (2017–2018) • Unknown as Pawan Rathi – Mishri's illegitimate son. (2017) • Aditya Pandey as Purab Rathi – Om and Emily's son; Pari and Sparsh's half-brother. (2018) • Urmila Sharma as Kundani "Daisa" Shastri – Rathi family's neighbour (2017) • Unknown as Kaushalya Devi Toshniwal – Nanda's sister; Uma and Saraswati's mother (2017–2018) •
Ayush Anand as Aditya Modani – Nanda's son; Uma and Saraswati's cousin, Payal's ex-husband; Tiara's love-interest (2017–2018) •
Sadiya Siddiqui as Nandita "Nanda" Devi Modani – Kaushalya's sister; Aditya's mother (2017–2018) • Hearty Singh as Shivraj "Shiv" Toshniwal – Suman's brother; Uma and Saraswati's cousin (2017–2018) • Mazel Vyas as Suman Toshniwal – Shiv's sister; Uma and Saraswati's cousin (2017–2018) •
Madhura Naik as Palomi Sopuri (2017–2018) • Madhvendra Jha as Gagendra "Gabbasa" Singh – Uma's personal assistant (2017–2018) •
Vikas Grover as Arvind Sharma – Kanak's friend (2017) • Hetal Yadav as Himani Pathak – Anshul's wife; Payal's mother (2017–2018) • Rajiv Kumar as Anshul Pathak – Himani's husband; Payal's father (2017) •
Rishina Kandhari as Arpita Khanna –
IPS officer-turned-politician; Akshay's sister (2017–2018) •
Ankit Bathla as Akshay Khanna – Arpita's brother (2018) • Maqbool Khan as Sumer Singh (2018) • Kangna Sharma as Meera Mittal – Yash's daughter; Uma's ex-wife (2018) • Amit Singh Thakur as Yashvardhan "Yash" Mittal – Meera's father (2018) •
Abhaas Mehta as Dr. Parag Bansal – Dean of Pratistha Medical College; Divyajyoti's brother (2018) • Sanjai Gandhi as Divyajyoti Prakash Bansal – Parag's brother (2018) • Honey Singh as Tiara Dixit – Kanak's classmate from Pratistha Medical College; Aditya's love-interest (2018) •
Aanchal Khurana as
Professor Madhavi Goenka (2018) • Rekha Choudhary as Surbhi Jain (2018)
Guests •
Anas Rashid as Sooraj Rathi – Arun and Santhoshi's eldest son; Vikram, Mohit and Chhavi's brother; Sandhya's husband; Ved, Vansh and Kanak's father(2017) (Cameo, flashback scenes from original series
Diya Aur Baati Hum) •
Deepika Singh as
IPS Sandhya Kothari Rathi – Kanchan and Arvind's daughter; Ankur's sister; Sooraj's wife; Ved, Vansh and Kanak's mother (2017) (flashback scenes from original series
Diya Aur Baati Hum) •
Gagan Malik as Bal Brahmachari (2017) ==Production==