How has been the historical performance of Zenotech Lab.?

Answer:The historical performance of Zenotech Lab shows a trend of declining net sales and increasing losses over the years reported.

Breakdown:
Zenotech Lab's net sales decreased from 8.24 Cr in March 2008 to 6.57 Cr in March 2010, with a slight increase from 6.02 Cr in March 2009. The total operating income mirrored this trend, remaining at 6.57 Cr in March 2010, down from 8.24 Cr in March 2008. The total expenditure, excluding depreciation, also declined from 18.12 Cr in March 2008 to 16.01 Cr in March 2010. However, the operating profit (PBDIT) remained negative, improving slightly from -9.88 Cr in March 2008 to -7.33 Cr in March 2010. The profit before tax showed a similar pattern, with losses narrowing from -13.54 Cr in March 2008 to -12.54 Cr in March 2010. The profit after tax also reflected this negative trend, with losses of -15.89 Cr in March 2008, -17.56 Cr in March 2009, and -12.53 Cr in March 2010. The earnings per share improved from -4.39 in March 2008 to -3.45 in March 2010. Cash flow from operating activities remained negative, although it improved from -15.54 Cr in March 2009 to -9.85 Cr in March 2010. The closing cash and cash equivalents increased significantly from 0.60 Cr in March 2008 to 12.33 Cr in March 2010, indicating a positive cash flow from investing activities. Overall, Zenotech Lab has faced challenges with profitability, but there are signs of improvement in cash management.