Your argument is speculative at best and ad hominem at worst.
> Also if Tesla comes in Singapore as it is perfect place for its range BMW, Benz which are the primary brands will suffer heavily.
Citation needed. Model 3 has performed very poorly beyond initial demand from early adopters/fans.
> Since electrical car do not have as many mechanical moving parts as traditional gasoline car it will reduce maintenance costs and car servicing and parts related business.
And yet Tesla repair and maintenance costs are astronomical.
> Also if Tesla comes in Singapore as it is perfect place for its range BMW, Benz which are the primary brands will suffer heavily.
Citation needed. Model 3 has performed very poorly beyond initial demand from early adopters/fans.
> Since electrical car do not have as many mechanical moving parts as traditional gasoline car it will reduce maintenance costs and car servicing and parts related business.
And yet Tesla repair and maintenance costs are astronomical.