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The question looks similar to this "Is there any TRKD api which can give all the company info instead of giving a single company info ?" question. Please refer to an answer in that question.
@Umer Nalla it is TRKD qu ery
consumes create token service by using json
Question regarding TimeSeries and Quotes
How to get list of symbols for a particular exchange.
Not able to understand fields meaning what they are representing
THOMSON REUTERS KNOWLEDGE DIRECT API