I see serial(fk) in your tables definition, but FK couldn't be serial, 
serial means generative  id by sequence 
There is a little singularity in web2py - if you specify "id" as "reference 
..." but don't specify it  as primarykey=['id'] explicit then web2py treats 
it as serial id and ignores fk- constraint!
so, if you want to have id (pk) as fk you have to:
db.define_table(... Field('id', 'reference ...')...  primarykey=['id'] )


On Sunday, February 28, 2016 at 9:20:58 PM UTC+3, prashant joshi wrote:
>
> how to conecting table??
> how to use refernce??
>

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