The TTD live board shows only the current SRIVANI Quota / Issued / Available numbers at the Tirupati airport counter and keeps no history
So every 10 minutes those numbers and the reporting slot are read from the board and noted down here
The reading is stored as one row, so the Today Readings tab gives a timeline of how fast the day's quota drains
The Daily last availability tab rolls those readings up per date — how late in the day tickets were still available on each date, over the last month by default
Tick Available > 0 only to keep just the readings that had tickets left — the summary numbers below follow the filter
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