INFO:
In all election result trends - from Maharashtra assembly to Jharkhand - you might have seen 'according to the first round of voting'. But why do the 'first round' results, sometimes, appear dramatically different from final results? How does a demography affect vote counting? How do postal votes and EVMs change the early trends to something completely opposite in the final result? Explained here on NDTV.
From Ballot Opening To EVM Rounds, Counting