Correct option is B
Carbon Zero Challenge (CZC):
The Carbon Zero Challenge is an all-India eco-innovation and entrepreneurship contest aimed at identifying and supporting sustainable solutions to address energy and environmental challenges.
Second Edition of CZC:
The grand finale of the second edition of the Carbon Zero Challenge was organized by IIT Madras in collaboration with Virtusa Corporation.
This event took place on 7th June 2019 at the IIT Madras campus.
The objective was to foster innovative and indigenous solutions with a sound business case to tackle India's energy and environmental problems.
Conclusion:
Virtusa Corporation collaborated with IIT Madras to organize the grand finale of the Second Edition of the Carbon Zero Challenge.
Hence, the correct answer is (b).
