India
Official starting point
Ministry of Statistics and Programme Implementation (MoSPI) is the starting point for this country's official statistical sources.
Finding and recording a series
Look for National Accounts Statistics, the Consumer Price Index and the Index of Industrial Production. Check the series base year and whether values are provisional before joining releases.
When a download is offered, retain the file alongside the table metadata. Check the publisher's current export options and licence; this page does not promise a particular format or API.