Hello Neeraj
U have more chances to get visitor visa bcoz you are Government Employe
but when u submit please attach all necessary Document as I mentioned below I am writing here all the required document and and it will be help you lot.
Application for temporary resident visa outside of the Canada (IMM5257)
Family Information form (IMM 5645)
Note: There is also other forms like (IMM 5476 ) if you are using representative to complete you application if u made application your self so do not use it,
Other forms Schedule 1 and Stationary declaration of common law but use them if necessary ,,
OK now please see below which document you will required to submit
If your sister inviting you please attach original invitation letter from your Sister Canada
Proof Immigration Status of your sister (Like she's on Study/Work Permit ,Citizenship Card of Canada,Permanent resident card , Please attach copy one of them )
Financial document of you sister (Proof of Employment,Bank Statement, T4)
Now document required from you side
Leave granting letter from your Employer (Please mention for how many days they are granting leave.)
Salary Statement
Letter from your employer confirming your salary and length of your employment/ Or employment
contract
Income tax return past 2 or 3 year
Bank Statement from the past 3 Month.
any policy on your name, Insurance policy,Bond,Share
and land or house your own.
Note: All required document not submit in Original but you need to certified all the document but you will need submit you Original Passport Only.
And please reply if you have any query .