Synergistic anti-bacterial activity of A. nilagirica (AN) ethanol leaf extract and first-line anti-TB drugs. M. smegmatis was incubated with (A) AN extract and rifampicin (RIF) (B) AN extract and isoniazid (INZ) for 24 hours and number of CFUs were assayed. Data showing no synergism of A. nilagirica with either of the drugs. Media containing bacteria alone was used as control. Experiments were performed in triplicates, means ± the SD are shown. **,P ≤ 0.0005; *,P ≤ 0.01.