Time Limit for Claiming of ITC

NO LIMIT FOR CLAIMING ITC HOWEVER , 

Failure of the supplier towards supply of goods and/or services within 180 days from the date of invoice, ITC already claimed by recipient will be added to output tax liability and interest to paid on such tax involved. On payment to supplier, ITC will be again allowed to be claimed

Yes .. its September of next fy Year or before filing of annual return , whichever is earlier

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.