  Using different proxies of solar activity, we have studied the following
features of solar cycle. (i) A linear correlation between the amplitude of
cycle and its decay rate, (ii) a linear correlation between the amplitude of
cycle $n$ and the decay rate of cycle $(n - 1)$ and (iii) an anti-correlation
between the amplitude of cycle $n$ and the period of cycle $(n - 1)$. Features
(ii) and (iii) are very useful because they provide precursors for future
cycles. We have reproduced these features using a flux transport dynamo model
with stochastic fluctuations in the Babcock-Leighton $\alpha$ effect and in the
meridional circulation. Only when we introduce fluctuations in meridional
circulation, we are able to reproduce different observed features of solar
cycle. We discuss the possible reasons for these correlations.
