Itc not claimed in f.y.2017-18 by error, can we avail it now in gstr3b

yes u can claim itc 

Yes...

You can claim the missed ITC in June 18 gstr 3B return....

(  Bills are already accounted in F.Y.2017-18.)
Yes... It's very good activity. After accounted the Invoices You just Carried Forward the ITC to Next FY in Your books of Accounts.

is any time limit to claim ITC?

Time limit of ITC - One Year from the date of Invoice or On or before Annual Return...

ITC can be claimed only within one year from the date of issue of tax invoice relating to supply. In any other case, the last date to claim ITC is earlier of the two below:

Before the filing of valid return for the month of September following the end of FY to which such invoice is related, or Before the filing of the annual return

Note: As per section 44, the last date for filing of annual return is 31st December following the end of the financial year.

Can I claim ITC of November-2017 Invoices in the GSTR3B of March-2019