Table 2. Bias% and CV% of the drugs from October 2019 to February 2020.

S. No.	Parameters	October		November		December		January		February
		Bias%	CV%	Bias%	CV%	Bias%	CV%	Bias%	CV%	Bias%	CV%
1	Carbamazepine	4.91	7.31	4.5	9.13	2.77	5.97	5.48	4.15	4.9	4.15
2	Phenytoin	22.8	4.29	4.68	7.72	11.1	2.46	2.25	10.12	4.15	10.12
3	Valproate	10.1	2.93	4.43	4.58	1.3	2.87	4.9	1.9	1.65	1.9