Solar plant setup cost & benefits

[yogobit]

Hello Team.
Am in Bengal , Kolkata thinking of installing solar plant.
If anyone has installed it in or near Kolkata please let me know how to start ?
Any website where I can see discom approved providers?
What panel to install?
Last year my bill was 15000 for 3 months of peak summer.
Below is my consumption history.

This is how much I paid.

Please suggest if installing solar panel will be beneficial
& If yes how much kw panel will i need to install based on my usage pattern

& What type of panel?
Mono perc or bi sonething?

Seeking guidance, please help

 

[CardGame]

Check geekyRanjit YT videos for some basics about solar panels. He has multiple videos on this topic.

 

[Dexter]

Please refer to this detailed thread by @sheru https://www.technofino.in/community/threads/solar-power-plant-way-to-future.12659/

 

[plastikman]

Also, you can see this video for reference -