After the first 13 years of his cricketing career, Sachin Tendulkar hit a peak average of 58 in Tests. Over the next seven years, his average fell to 54, leading to a clamour for his retirement. The batting legend, however, was not done yet. He hit good form once again, improving his average to 56.5 at the end of 2009. PRASHANT JAIN, considered by many as the Tendulkar of fund management, has decided to step down as the chief investment officer (CIO) of HDFC Asset Management Company (AMC). His performance trajectory has been similar to Tendulkar’s — peak performance, followed