Finance Minister Arun Jaitley said measures should be taken to strengthen the Constitution and ensure that democracy is not subverted again.
Protesting Congress members had on Tuesday too blocked a debate on the bill. The monsoon session ends on Thursday.
The Question hour in the Lok Sabha was also washed out for the second consecutive day as an aggressive opposition stalled the proceedings over the same controversy.
The AgustaWestland issue was fiercely debated in the Rajya Sabha on Wednesday with members of the Bharatiya Janata Party and Congress blaming each other.
Jaitley said the Opposition has been using the zero hour to raise the issue for 'getting footage on TV'.
It is not in the Lok Sabha, where the BJP has a clear majority, but the Rajya Sabha that the Opposition has ganged up to checkmate Prime Minister Narendra Modi's ambitious plans.