The question asks about the state where India's first lithium-ion battery manufacturing plant was expected to become operational by 2021. Lithium-ion batteries are crucial components in various modern technologies, including electric vehicles and consumer electronics.

Based on the information, the state poised to house this pioneering facility was Gujarat.

Developing indigenous manufacturing capabilities for critical components like lithium-ion batteries is vital for reducing import dependency and boosting the domestic electric vehicle ecosystem. The establishment of such a plant in Gujarat marks a significant step in India's push towards self-reliance in key technologies.

Let's look at the options provided:

Therefore, Gujarat is the state associated with India's first lithium-ion battery manufacturing plant expected to be operational by 2021.

Revision Table: India's First Lithium-ion Plant

Understanding the location of key manufacturing facilities is important for competitive exams. Here is a quick summary:

• Type of Plant: Lithium-ion Battery Manufacturing
• Significance: India's first such plant
• Expected Operational Year: 2021
• Location State: Gujarat

Additional Information on Lithium-ion Batteries and India

Lithium-ion battery technology is central to the global shift towards sustainable energy and mobility. Here are some related points:

• Components: Lithium-ion batteries typically consist of a cathode, anode, separator, electrolyte, and two current collectors.
• Usage: Widely used in electric vehicles (EVs), smartphones, laptops, and energy storage systems.
• Importance for India: Domestic manufacturing reduces reliance on imports, supports the Make in India initiative, creates jobs, and is crucial for achieving EV adoption targets.
• Government Initiatives: The Indian government has been promoting battery manufacturing through schemes like the Production Linked Incentive (PLI) scheme for Advanced Chemistry Cell (ACC) battery storage.

The establishment of manufacturing plants like the one in Gujarat is a key part of India's strategy to become a major player in the global battery and EV market.