data mismatch - confirmed cases and recoveries india

[vtpadma]

In the time-series state wise data, there are some errors- it seems.
Confirmed minus dead+ recovered are active cases.

Half month Confirmed Dead Recoveries Active
30-Sep 1292231 16617 1330879 -55265
15-Oct 1058264 13485 1181227 -136448
31-Oct 47228 469 58682 -11923
15-Nov 662223 7959 758357 -104093
30-Nov 617638 7550 640645 -30557
15-Dec 469654 6472 567198 -104016
31-Dec 353402 4887 425939 -77424
15-Jan 15155 176 16809 -1830
15-Jan 242198 2936 280480 -41218
31-Jan 214964 2298 254986 -42320
14-Feb 157851 1341 185334 -28824

It appears excess numbers in the recovery column before Sep 20.
Please clarify.

VT Padmanabhan