What are the possible values of interval query parameter in ohlc quotes?

[chandan22140]

What do i1 and i30 represent here? What are the other values of intervals that can be set?

[Pradeep_Jaiswar]

Currently, Upstox API supports the below interval for OHLC quoted as mentioned in the document.

One day - 1d
One minute - I1
30 minute - I30