Diya Aur Baati Hum, December 17th episode written update: Sandhya requests Bhabho to teach her cooking. It would be a great help for her to prepare the food for tomorrow's meal gathering. Bhabho agrees to teach her cooking. She starts teaching her and Sandhya notes down the recipe.
Bhabho creates a dummy as well for her easy understanding. She then reaches her Mirchi ka Halwa. Suraj sees her learning cooking from Bhabho from the balcony. Then, Bhabho teaches her Moong ki Daal ka Halwa. Bhabho requests her not to create any mess tomorrow. Thereafter, she teaches her Bajre ki Roti telling her to take all precautions. Sandhya fails to make Bajre ki Roti and Bhabho gives up. She tells that she would help her in the morning.
Sandhya practices to make Bajre ki Roti at the night by rolling up a book in her hands. In the morning, she revised the recipe notes. Bhabho scolds Sandhya and requests Sandhya to prepare food carefully. Bhabho suggests that she would half cook Bajre ki Roti and thereafter Sandhya can cook the same completely and serve the guests. But Dai Sa comes before time with all the ladies. Babho gets shocked. They greet them all.
Sandhya goes in the kitchen alone and starts cooking. Dai Sa does not let Bhabho to go inside, although she tries a lot to escape and help Sanhya in the kitchen. They taunt of somebody's ill food. Santosh asks them not to bitch about anyone's cooking. Dai Sa taunts her if she is afraid of Sandhya's ill-cooking.