Tcl 43 Inches Android - Urgent Request for Intervention Ongoing Issues with TCL TV

I am writing to bring to your attention the persistent issues I have encountered with my TCL TV (Model no. **P***), purchased from Lotus Electronics, Bhopal, on **/**/****.
On **th December ****, I formally reported a complaint (Complaint Number: IN************) regarding the appearance of black patches on the screen to TCL. Subsequently, on January *, ****, a TCL technician, Mr. Shaif Khan, visited my residence and took my TV for repair, providing a refurbished unit as a replacement. Unfortunately, I was not informed in advance that my original TV would not be returned. This lack of communication has been a source of significant dissatisfaction.
The replacement refurbished TV exhibited the same screen problems, leading to the filing of another complaint (Complaint Number: IN************). Regrettably, another technician came and mentioned that a component of the refurbished TV required replacement.
I have formally requested TCL to address the initial complaint by either repairing the specific part in my original TV or providing a brand-new replacement. However, I am disheartened by the prolonged resolution process, which has taken more than a month without a solution.
I kindly request your intervention to facilitate the prompt and satisfactory resolution of my complaint. Your assistance in expediting this matter would be greatly appreciated.
Thank you for your attention and prompt action in resolving this matter.
TV bill attached for your reference.