According to recent research, Delhi, Maharashtra, Haryana, and Uttar Pradesh possess complete electric car policies, including funds allocated, a supercharger network, and job development. 

The 'Analysis Of States Electric Drive Policy And Their Effect' report by Climate Trends evaluate the breadth and depth of EV policies in 26 states and Union territory depending on 21 criteria. 

According to the report, Arunachal Pradesh, Manipur, Himachal Pradesh, Ladakh, Kerala, & Uttarakhand provide between three and seven of the twenty-one outlined categories in their respective policies, making them the least complete. 

According to the report, 16 of the 26 states and territories that have adopted EV policies in the previous five years did so between 2020 and 2022. 

According to the report, none of the eight states — Andhra Pradesh, Bihar, Karnataka, Kerala, Madhya Pradesh, Tamil Nadu, Telangana, and Delhi — that released their policies before October 2020 are on track to meet their targets for electric vehicles (EV) penetration, charging infrastructure, or investments.

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It was said that Delhi, Odisha, Bihar, Chandigarh, Andaman & Nicobar, Maharashtra, Haryana, Rajasthan, and Meghalaya had the greatest demand-side incentives for electric vehicles (EVs). 

It was said that Tamil Nadu, Haryana, and Andhra Pradesh had the most significant demand-side incentive, with particular assistance to increase EV production and incentives 

granted as part of the state's industrial strategy. 

According to the survey, only nine states — Chandigarh, West Bengal, Andhra Pradesh, Tamil Nadu, Odisha, Delhi, Maharashtra, Meghalaya, and Ladakh — have required the installation of charging infrastructure in new residential complexes, offices, parking lots, and malls.

Eight states have electrification objectives for fleets such as last-mile delivery vehicles and aggregator taxis, determined by the government: Maharashtra, Delhi, Haryana, Karnataka, Assam, Madhya Pradesh, Manipur, and Andaman & Nicobar. 

Delhi's EV penetration sits at 7.2% as of November 2022, compared to the city's goal of 25% by 2024. According to the research, Tamil Nadu has no set EV penetration goal, yet just 2.02% of registered cars are electric vehicles. 

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 Public transportation electrification is behind in all eight states. Tamil Nadu aspires to have five percent of its buses be electric, yet there are currently no e-buses on the road. Kerala intends to have 6,000 buses by 2025 but now only has 56, according to the report.

Delhi, which has the most charging stations and terminals, has only reached 9.6% of its goal of 30,000 charging stations by 2024.

 The number of public and semi-public charging stations in the remaining seven states falls between 100 and 500. Since e-mobility growth is one of the significant pillars in attaining speedier decarbonization throughout the nation, the performance of state EV policy is noteworthy and essential for India's decarbonization objectives.