1. The document studied the algal flora in Fox Sagar Lake in Hyderabad, India over a two year period. 2. Four groups of algae were observed - Cyanophyceae, Chlorophyceae, Bacillariophyceae, and Euglenophyceae. Cyanophyceae dominated all groups, making up around 80% of algae. 3. The abundance and distribution of different algal groups varied seasonally and was influenced by environmental factors like temperature, organic matter, nutrients. Cyanophyceae blooms indicated eutrophic conditions in the lake.