Consumer Redressal

I have purchased a 24" LED TV set of Panasonic Company from Khosla Electronics Pvt. Ltd, Serampure Branch on 13.03.2020. TV was delivered on 18.03.2020 and was installed on 20.03.2020. Upto installation every thing seems ok. Then within 30 mins of installation problem started arising. I called the technician of Panasonic. He visited next day and informed me that the problem is in the sound panel and need to be changed and accordingly he made complain. I also informed the whole matter to Mr. Avijit Sur of Khosla i.e on 21.03.2020. Meanwhile nation wide lockdown started. After lock down started releasing in the month May 2020, I again started calling both Khosla Electronics Pvt. Ltd. and Panasonic to sort out my problem. I have started realizing that both of the companies are not interested in solving my problem. Then after people from Khosla are not picking my phones and people from Panasonic are creating excuse by saying parts is not available or transit problem etc. I have mailed Khosla head office on 20.06.2020 but no reply. Sir, I would like to say that my TV set runs only 30 mins and now 3 months are over its lying ideal. I am feeling helpless. Please do advice me or do something to solve my problem.