Amazon India has laid off employees in its AWS and PXT verticals in a fresh round of downsizing.The layoffs are part of the announcement made by Amazon CEO Andy Jassy in March that would impact 9,000 employees.Sources suggest that nearly 400-500 employees may be impacted, and PXT is one of the most vulnerable verticals.The slowdown in growth of AWS revenues and the macroeconomic conditions were cited as major reasons behind the downsizing round.