NEW DELHI: Walmart Incs Flipkart and Amazon.com Inc have filed legal challenges against the resumption of an antitrust investigation into their business practices, a global news wire reported.

The Competition Commission of India (CCI) launched an investigation in January last year after a complaint accused Flipkart and Amazon of promoting select sellers on their e-commerce platforms and using deep discounts to stifle competition. The companies have ruled out wrongdoing and near-immediate legal challenges from the pair stalled the investigation for more than a year until a court last week ruled it could resume, having dismissed arguments that the CCI lacked evidence.

The fresh appeal from Flipkart filed on June 16, argues that decision by the Karnataka court to allow the probe to resume was erroneous and must be put on hold, the report said.

Amazon has mounted a similar challenge, the report said. Both are likely to be heard by a two-judge panel this week.

The report said that the CCI planned to speed up the investigation as it increases its scrutiny of big-tech firms. The CCI plans to demand information from Flipkart and Amazon on the accusations "as quickly as possible", one source said. Such investigations usually run several months.

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