Praveen Chakravarty, Senior Fellow at IDFC Institute, cautions against the growing calls for simultaneous Centre and State elections in India. He says:

"The idea of simultaneous elections for India is based on false premises, [...] Is ₹8,000 crore every five years or ₹1,500 crore every year really that huge a cost for the world’s largest democracy which has a GDP of $1.5 trillion?"

Read the full article here.

Previous research by IDFC Institute had shown that 77% of the voters tend to choose the same party when elections to the state and Centre are held simultaneously. You can read about that study here.