Lenovo — till march 2020 it was working properly but all of sudden it created some problem

Sir i bought lenovo laptop in december 2019 till march 2020 it was working properly but all of sudden it created some problem from april on wards but because of covid 19 everything was lockdown, i file a compalaint in the month of september 2020 at lenovo toll free number and i was told that some body will attend but i am sorry till date nobody contacted me and my laptop is not working properly kindly take the matter seriously otherwise i will do the needfull as deemed fit with regards
rajeeva s pandey
janhit pharma 9/55 arya nagar kanpur
mob.[protected]