India Semiconductor Mission Policy Architecture
The revised semiconductor policy framework provides uniform 50% financial support on project costs for silicon wafer fabs, display fabs, compound semiconductors, and Outsourced Semiconductor Assembly and Test (OSAT) units. Supported by state-level capital subsidies and the Design Linked Incentive (DLI) scheme, the mission builds sovereign supply chain resilience.
30 High-Yield Practice MCQs with Hidden Answers & Explanations
Test your knowledge of semiconductor manufacturing physics, cleanroom classes, wafer fab nodes (28nm–90nm), Dholera and Morigaon packaging projects, and global supply chain dynamics with these 30 practice questions.
- (A) ₹25,000 crore
- (B) ₹50,000 crore
- (C) ₹76,000 crore ($10 Billion)
- (D) ₹1,20,000 crore
View Answer & Explanation
The Union Cabinet approved ₹76,000 crore under the India Semiconductor Mission (ISM) to build a sovereign semiconductor manufacturing and packaging ecosystem.
- (A) 25% of capital expenditure
- (B) 30% of capital expenditure
- (C) 50% of capital expenditure (project cost)
- (D) 75% of capital expenditure
View Answer & Explanation
The modified policy equalized fiscal incentives, providing 50% central subsidy for silicon fabs, display fabs, and compound/OSAT facilities, supplemented by state subsidies.
- (A) Reliance Industries
- (B) Tata Electronics Private Limited (TEPL)
- (C) Adani Group
- (D) Vedanta Group
View Answer & Explanation
Tata Electronics and PSMC are investing ₹91,000 crore ($11 billion) to build a commercial 300mm wafer fab in Dholera with a monthly capacity of 50,000 wafer starts.
- (A) 2nm and 3nm cutting-edge smartphone nodes only
- (B) 28nm, 40nm, 55nm, and 90nm mature nodes
- (C) Vacuum tube circuits
- (D) Legacy 250nm nodes exclusively
View Answer & Explanation
These mature trailing nodes are critical workhorses for automotive microcontrollers, power management ICs, display drivers, and 5G telecommunications.
- (A) Guwahati, Assam
- (B) Jagiroad, Morigaon district, Assam
- (C) Silchar, Assam
- (D) Agartala, Tripura
View Answer & Explanation
The Jagiroad facility in Morigaon, Assam, marks the first major high-tech semiconductor investment in Northeast India, creating over 27,000 direct and indirect jobs.
- (A) Intel Corporation
- (B) Micron Technology
- (C) Qualcomm
- (D) Texas Instruments
View Answer & Explanation
Micron's $2.75 billion facility in Sanand focuses on packaging dynamic random-access memory (DRAM) and NAND flash products for global export markets.
- (A) Optical Sensor Array Technology
- (B) Outsourced Semiconductor Assembly and Test
- (C) On-chip Silicon Architecture Tool
- (D) Operational System Automation Terminal
View Answer & Explanation
OSAT companies take fabricated silicon wafers, dice them into individual dies, wire-bond, package, and rigorously test the final microchips before integration.
- (A) Automated Tape Micro-Patterning
- (B) Assembly, Testing, Marking, and Packaging
- (C) Advanced Transistor Molding Process
- (D) Active Thermal Management Protocol
View Answer & Explanation
ATMP encompasses the packaging stage of semiconductor manufacturing, encasing silicon dies in protective resin and adding electrical contact pins.
- (A) Sony Corporation
- (B) Renesas Electronics Corporation
- (C) Toshiba
- (D) Panasonic
View Answer & Explanation
Renesas brings specialized automotive microcontroller and power semiconductor packaging expertise to the joint venture in Sanand.
- (A) Subsidizing raw silicon sand mining
- (B) Providing financial incentives and EDA software tool access to domestic fabless startups designing integrated circuits and system-on-chips (SoCs)
- (C) Constructing warehouse logistics docks
- (D) Funding commercial retail electronics stores
View Answer & Explanation
DLI supports domestic chip design startups with up to 50% of eligible design expenditure and deployment incentives on product sales.
- (A) Electric Drill Actuators
- (B) Electronic Design Automation software tools (e.g., Synopsys, Cadence, Siemens EDA)
- (C) Embedded Data Algorithms
- (D) Environmental Dust Absorbers
View Answer & Explanation
EDA software suites simulate, verify, and route billions of nanometer-scale transistors on a silicon die before committing to multi-million-dollar physical mask fabrication.
- (A) A company that manufactures without computers
- (B) A company that specializes in designing microchips in-house but outsources physical wafer fabrication to external foundries
- (C) A factory that operates without electricity
- (D) A retail hardware repair shop
View Answer & Explanation
Global tech leaders like Qualcomm, Nvidia, and AMD are fabless, designing chips while contracting foundries like TSMC to manufacture them physically.
- (A) Foxconn
- (B) Taiwan Semiconductor Manufacturing Company (TSMC)
- (C) MediaTek
- (D) UMC
View Answer & Explanation
Founded by Morris Chang in 1987 in Hsinchu Science Park, TSMC manufactures the world's most advanced Apple, Nvidia, and Qualcomm processor chips.
- (A) Philips
- (B) ASML (Advanced Semiconductor Materials Lithography)
- (C) NXP Semiconductors
- (D) STMicroelectronics
View Answer & Explanation
Headquartered in Veldhoven, Netherlands, ASML is the sole manufacturer of EUV lithography scanners costing over $200–$350 million each.
- (A) Compound semiconductors operate at much higher voltages, temperatures, and switching frequencies, making them ideal for electric vehicles (EVs), fast chargers, and radar systems
- (B) Compound semiconductors are made of organic wood fibers
- (C) Compound semiconductors can only process audio signals
- (D) Silicon is completely obsolete in modern electronics
View Answer & Explanation
Wide-bandgap compound semiconductors enable dramatic miniaturization and energy efficiency gains in power electronics and EV inverters.
- (A) Hyper-pure Electronic Grade Silicon (polysilicon purified to 99.9999999% purity)
- (B) Raw beach silica sand without processing
- (C) Bauxite clay
- (D) Iron ore concentrate
View Answer & Explanation
Using the Czochralski process, electronic-grade polysilicon is melted to pull single-crystal silicon ingots that are sliced into micro-thin wafers.
- (A) 100 mm (4 inches)
- (B) 200 mm (8 inches)
- (C) 300 mm (12 inches)
- (D) 500 mm
View Answer & Explanation
300mm silicon wafers are the modern industry standard for commercial volume production, offering more than double the usable surface area of legacy 200mm wafers.
- (A) Bengaluru, Karnataka
- (B) SAS Nagar (Mohali), Punjab
- (C) Hyderabad, Telangana
- (D) Mysuru, Karnataka
View Answer & Explanation
Established in 1984 under the Department of Space, SCL Mohali manufactures radiation-hardened microchips for ISRO satellite and launch vehicle avionics.
- (A) Subsidizing potato chip snack brands
- (B) Training 85,000 qualified engineers in Very Large Scale Integration (VLSI) and embedded system design across 100+ academic institutions
- (C) Purchasing personal smartphones for college students
- (D) Creating cryptocurrency mining rigs
View Answer & Explanation
C2S trains specialized semiconductor talent across Indian universities, providing access to cloud-based commercial EDA design platforms.
- (A) Photographing finished silicon chips for marketing
- (B) The optical process of transferring geometric circuit patterns from a photomask onto a light-sensitive chemical photoresist on the wafer surface using ultraviolet light
- (C) Cleaning cleanroom floors with water
- (D) Packaging chips into plastic boxes
View Answer & Explanation
Photolithography is the repetitive patterning process repeated dozens of times to print billions of microscopic transistors layer by layer.
- (A) A room where employees wear standard business suits
- (B) An ultra-filtered environment containing no more than 10 particles of size 0.1 microns per cubic meter of air, millions of times cleaner than an operating theatre
- (C) A room open to natural mountain air
- (D) A soundproof recording studio
View Answer & Explanation
A single microscopic speck of airborne dust can land on a nanometer-scale circuit line and destroy an entire silicon die.
- (A) Millions of liters of Ultra-Pure Water (UPW) daily and continuous, uninterruptible high-voltage electrical power
- (B) Large supplies of diesel fuel only
- (C) Direct access to salt seawater
- (D) Natural coal burning kilns
View Answer & Explanation
A single sub-second power flicker or water mineral impurity halts wafer etching and costs foundries millions of dollars in scrapped silicon batches.
- (A) Kaynes Semicon Private Limited
- (B) Dixon Technologies
- (C) Lava International
- (D) Micromax
View Answer & Explanation
Kaynes Semicon is investing over ₹3,300 crore to establish an advanced OSAT facility producing chips for industrial and telecommunication applications.
- (A) The cost of computers doubles every year
- (B) The number of transistors on a microchip doubles roughly every two years, while the cost of computers is halved
- (C) Software programming languages become obsolete every five years
- (D) Microchip physical dimensions increase continuously
View Answer & Explanation
Moore's Law has driven exponential computing power growth for over six decades, guiding industrial roadmap investments.
- (A) Dip Packaging
- (B) Advanced Packaging / Chiplet Heterogeneous Integration
- (C) Through-Hole Soldering
- (D) Wire Wrap
View Answer & Explanation
Advanced packaging connects modular ‘chiplets' using high-density silicon interposers, overcoming physical scaling limitations at sub-3nm nodes.
- (A) Nitrogen gas only
- (B) Fluorinated gases (such as Nitrogen Trifluoride – NF3, Carbon Tetrafluoride – CF4, and Sulfur Hexafluoride)
- (C) Pure Carbon Monoxide
- (D) Helium gas only
View Answer & Explanation
High-purity electronic specialty gases react chemically with wafer surfaces inside plasma chambers to etch nanometer-width channels.
- (A) World Semiconductor Trade Statistics (WSTS)
- (B) Global Chip Registry
- (C) International Silicon Index
- (D) Microelectronic Commerce Board
View Answer & Explanation
WSTS compiles global billings and growth forecasts for the worldwide semiconductor market, which exceeded $600 billion in annual shipments.
- (A) The interest rate paid on plant debt
- (B) The percentage of non-defective, fully functioning microchips obtained from a processed silicon wafer compared to the total potential dies
- (C) The physical weight of silicon scrap
- (D) The salary of cleanroom technicians
View Answer & Explanation
High manufacturing yields (typically 85%–95% in mature fabs) determine whether a multi-billion-dollar semiconductor plant operates profitably.
- (A) India Semiconductor Mission (ISM)
- (B) Software Technology Parks of India (STPI)
- (C) National Informatics Centre (NIC)
- (D) C-DAC
View Answer & Explanation
The ISM has administrative and financial autonomy to negotiate with global chipmakers and recommend fiscal approvals to the Union Cabinet.
- (A) Ending all international electronics trade
- (B) Securing national technological sovereignty, safeguarding critical defense and telecom infrastructure from supply chain weaponization, and creating high-value manufacturing jobs
- (C) Monopolizing global sand reserves
- (D) Restricting personal computer ownership
View Answer & Explanation
Semiconductors are the strategic foundation of modern industry; domestic manufacturing insulates India's automotive, defense, and digital sectors from global geopolitical disruptions.
Frequently Asked Questions (FAQs)
Where is India's first commercial semiconductor fabrication plant being established?
Tata Electronics Private Limited (TEPL), in joint partnership with Taiwan's PSMC, is constructing India's first commercial semiconductor wafer fab in Dholera Smart City, Gujarat, with an investment of ₹91,000 crore.
What is the significance of the semiconductor facility in Jagiroad, Morigaon, Assam?
The ₹27,000-crore semiconductor assembly, testing, and packaging (OSAT) facility being set up by Tata Semiconductor Assembly and Test (TSAT) in Morigaon marks the first major high-tech semiconductor investment in Northeast India.