e-rickshaws do not fall under the ambit of Motor Vehicles Act.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/police-turn-ipc-provisions-rein-battery-rickshaws
[2] http://admin.indiaenvironmentportal.org.in/category/author/shubhomoy-sikdar
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu-new-delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rickshaws
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/battery-vehicles