Lok Sabha polls 2019: 3 key imports so far, and the median voter theorem

One of the reasons why predicting the outcome of this election is so hard is that neither the BJP's nationalism and religion nor the Congress' income support and secularism are going to cut much ice

Now that the general elections are here and the second round of voting is underway, three things are becoming clear. One, that this is an issueless election. Two, that there is no Modi wave. And three that voters probably want Modi back as prime minister but not the BJP in full strength so that some of the excesses of the current government can be mitigated.
 
In such a situation, it is hard to guess what the likely outcomes might be.
 
That said, there is a way of doing some rational analysis. This was first devised by Harold Hotelling,