Recent comments by Elon Musk on the challenges that Tesla Inc faces in India sparked a wave of excitement in the country, with politicians of various hues falling over one another to roll out a red carpet to welcome the world’s most valuable automaker to their respective states with overwhelming and open-ended promises of support and sops. What has been puzzling about this outpouring of investor-friendly blandishments has been the fact most of these politicians have failed to display an iota of coherence on the quality of investment they are seeking from Tesla, and the nature, rationale and scope of…