10.22376/ijpbs.2019.10.1.p1-12 Volume 4 Issue 1 2013 (January - March) Different plant parts as well as tissue samples ( 2, 4, 6 and 8 weeks old) of lessThan i greaterThan Urgenia indica lessThan /i greaterThan were used to estimate the flavonoids . The lessThan i greaterThan in vitro lessThan /i greaterThan studies showed that the maximum amount of total flavonoid content was in 6-week old tissue (1.22 mg/gdw) and lowest in 2 week old tissue (0.81 mg/gdw). The total Kaempferol content was highest in 6 week old tissue ( 0.69 mg/gdw) and lowest in 8 week old tissue (0.34 mg/gdw). However, the total Quercitin content was highest (0.40 mg/gdw) in 8 weeks old cultures ANIRUDHA RISHI Urgenia indica, flavonoids, Kaempferol, Quercitin 242-246