Earlier the Government had agreed allowing the delivery of non essential items ( television, mobile phones etc) However, Ministry of Home Affairs (MHA) issued an order to exempt certain activities under the consolidated revised guidelines to all Ministries/Departments regarding the Nationwide lockdown to fight COVID-19. The link below will provide the revised guidelines.
(https://www.mha.gov.in/sites/default/files/MHA%20order%20dt%2015.04.2020%2C%20with%20Revised%20Consolidated%20Guidelines_compressed%20%283%29.pdf),
The guidelines clearly mention that e-commerce companies will be allowed to supply essential goods. Further, vehicles used by e-commerce companies, engaged in supply of only essential goods, would be allowed to ply with necessary permissions.