Hi Kuljit,
belwo are doc and supporting doc i showed
financial proof( propery ,income,Ca statement, bank statement)
mother passport copy
digital photo check CIC for specification
super visa insurance ( taken here in canda)
relationship proof ( my birht certificate and my passport having her as mother in it)
invitation letter from me
my financial proof( pay stub , bank statement, employer letter)
my mother travel ticket (booked as my friends was traveling in march to canada)
IMM5257 form and IMM5645 form
Also you will get detail check list if you go online and apply ..the CIC.GC.CA gives you the check list clearly and instruction guide will help you
Hope you got info wat you looking for
Good luck