Table 1. Comparison of NDI between the groups.

NDI	GROUP A (Mean±SD)	GROUP B (Mean±SD)
D0	15.23 ± 5.60	12.93 ± 3.89	*
D14	11.84 ± 4.04	11.95 ± 3.88
D14	11.84 ± 4.04	11.95 ± 3.88	*
D28	8.51 ± 4.39	10.72 ± 4.01
D28	8.51 ± 4.39	10.72 ± 4.01	*
D0	15.23 ± 5.60	12.93 ± 3.9

D 0 Pretest reading on day 1, D 14 reading at the end of 2 weeks, D 28 Posttest reading after 4 weeks A-Experimental group, B- control group *p < 0.05