S.No. Characteristic Description
1. Morphology Colony was rough
2. Growth Rate Within 7 days
3. Pigment Production Cream colored
4. Nitrate Reduction Negative
5. Niacin Production Negative
6. Semi Quantitative Catalase Test Negative
7. Heat Resistant Catalase Test 68°C  Positive
8. TCH Positive
9. PNB Negative
10. INH Negative
11. Urease Positive
12. Growth on Mc CONKEY   Negative
13. Mc CONKEY with 5% NaCl Positive
14. Iron Uptake Negative
15. TWEEN Hydrolysis Negative
16. Tellurite Reduction Negative
17. Aryl Sulphatase
3 days
7 days
  - Positive
- Positive
18. Pyrazinzmidase
4 days
7days
  - Negative
- Positive
Table 1: Results of the biochemical reactions carried out for the identification of Mycobacterial species.