10% To 20%: TARIL, Groww, and 10 other stocks whose upper circuit has increased

In the stock market, upper circuit limits help control extreme intraday price movements and protect investors from sudden volatility. When an exchange like NSE or BSE increases a stock’s upper circuit from 10% to 20%, it allows the stock to rise up to 20% in a single session instead of being capped at 10%. Such revisions usually occur when a stock shows stronger liquidity, higher trading interest, or positive momentum.

Raising the limit to 20% provides more room for natural price discovery and reduces the frequency of trading halts caused by tighter circuits. It also signals that the exchange expects the stock to handle larger movements responsibly.

Here is a list of top stocks whose upper circuit has been increased from 10% to 20%

Transformers & Rectifiers India Limited

With a market capitalization of Rs. 7,372.07 crore, the shares of Transformers & Rectifiers India Limited were currently trading at Rs. 245.60 per equity share. Transformers & Rectifiers India Limited is engaged in manufacturing a wide range of power, distribution, furnace, rectifier, and speciality transformers, along with reactors and mobile substations, up to 1200 kV class for power generation, transmission, distribution, and industrial users in India and overseas.

Billionbrains Garage Ventures Limited (Groww)

With a market capitalization of Rs. 91,708.78 crore, the shares of Billionbrains Garage Ventures Limited were currently trading at Rs. 148.55 per equity share.

Billionbrains Garage Ventures Limited (Groww) is engaged in operating a direct-to-customer digital investment platform offering stocks, derivatives, mutual funds, bonds, ETFs, margin trading and personal loans, serving millions of retail investors across almost all Indian pin codes through its app- and web-based technology-led ecosystem.​

GE Vernova T&D India Limited

With a market capitalization of Rs. 71,488.19 crore, the shares of GE Vernova T&D India Limited were currently trading at Rs. 2,792 per equity share.

GE Vernova T&D India Limited is engaged in providing power transmission and distribution solutions, supplying transformers, switchgear, substations and grid automation equipment from medium to ultra-high voltage levels, and executing turnkey grid, interconnection and renewable integration projects for utilities and industrial customers across India and export markets.

Inox Green Energy Services Limited

With a market capitalization of Rs. 7,789.93 crore, the shares of Inox Green Energy Services Limited were currently trading at Rs. 212.25 per equity share.

Inox Green Energy Services Limited is engaged in providing long-term operation and maintenance services for wind farms, including wind turbine generators and common infrastructure, along with erection, procurement, commissioning and related monitoring services, supporting renewable power producers across multiple Indian states under long-duration contracts.

Kernex Microsystems (India) Limited 

With a market capitalization of Rs. 1,684.57 crore, the shares of Kernex Microsystems (India) Limited were currently trading at Rs. 1,005.15 per equity share.

Kernex Microsystems (India) Limited is engaged in developing and supplying safety, signaling and control systems for railways and transportation, including train protection, collision avoidance and level-crossing protection solutions, as well as embedded and software systems for mission-critical applications in India and select international markets.

Keystone Realtors Limited

With a market capitalization of Rs. 6,759.84 crore, the shares of Keystone Realtors Limited were currently trading at Rs. 535.55 per equity share.

Keystone Realtors Limited is engaged in real estate development under the “Rustomjee” brand, focusing on residential, township, redevelopment, and gated community projects, along with some commercial and retail spaces, primarily across the Mumbai Metropolitan Region, targeting mid-income to luxury customers with in-house design, construction, and marketing capabilities.

Schneider Electric Infrastructure Limited 

With a market capitalization of Rs. 18,290.26 crore, the shares of Schneider Electric Infrastructure Limited were currently trading at Rs. 764.95 per equity share.

Schneider Electric Infrastructure Limited is engaged in manufacturing and supplying medium-voltage switchgear, transformers, ring main units, automation and grid-solution equipment, and providing related services for power distribution utilities, industries, and infrastructure projects in India and export markets as part of Schneider Electric’s global energy management and automation business.

Shilpa Medicare Limited

With a market capitalization of Rs. 6,510.92 crore, the shares of Shilpa Medicare Limited were currently trading at Rs. 332.90 per equity share.

Shilpa Medicare Limited is engaged in pharmaceutical research, development and manufacturing, focusing on active pharmaceutical ingredients, formulations and speciality products, particularly in oncology and chronic therapies, and offers contract development and manufacturing services to global innovators and generic companies from its multi-location facilities in India.

Sterlite Technologies Limited

With a market capitalization of Rs. 4,841.75 crore, the shares of Sterlite Technologies Limited were currently trading at Rs. 99.20 per equity share.

Sterlite Technologies Limited is engaged in end-to-end digital network solutions, manufacturing optical fiber, fiber-optic cables and related connectivity products, and providing network design, deployment and software services to telecom operators, cloud companies and governments, supporting 5G, fiber-to-the-home and data network roll-outs globally.​

Tata Teleservices (Maharashtra) Limited

With a market capitalization of Rs. 9,772.68 crore, the shares of Tata Teleservices (Maharashtra) Limited were currently trading at Rs. 49.99 per equity share.

Tata Teleservices (Maharashtra) Limited is engaged in providing enterprise connectivity and communication solutions, including fixed-line voice, broadband, leased lines, cloud communication, IoT and managed services, primarily to small and medium businesses and enterprises in Maharashtra and Goa under the Tata Tele Business Services brand.

Zen Technologies Limited

With a market capitalization of Rs. 12,666.38 crore, the shares of Zen Technologies Limited were currently trading at Rs. 1,402.85 per equity share.

Zen Technologies Limited is engaged in designing, developing and manufacturing combat training simulators, live fire ranges, anti-drone systems and other defence training solutions, supplying to armed forces, paramilitary, police and security agencies in India and abroad, with a focus on indigenous, technology-intensive products.​

Marine Electricals (India) Limited

With a market capitalization of Rs. 2,903.87 crore, the shares of Marine Electricals (India) Limited were currently trading at Rs. 210.43 per equity share.

Marine Electricals (India) Limited is engaged in manufacturing and supplying electrical automation solutions, switchgear, power distribution systems, navigation, communication and integrated platform management for marine, naval, industrial, oil & gas, data centers and commercial sectors in India and international markets.​

Why does the upper circuit change from 10% to 20%?

Stocks are moved from a 10% upper circuit to a 20% band to allow smoother price discovery while still maintaining market stability. Here’s why exchanges make this adjustment:

Higher price volatility: When a stock consistently shows price movements larger than the 10% limit, exchanges widen the band to 20% so that trading can continue without frequent circuit hits.

Rise in trading volumes: Increased buying or selling pressure often leads to sharper intraday moves, and a broader circuit helps avoid repeated interruptions.

Balanced investor protection: Even with a higher limit, the circuit still prevents extreme, uncontrolled spikes while giving the stock enough room to trade naturally.

Better market efficiency: Exchanges routinely review trading behavior and adjust circuit limits to ensure orderly markets and reduce unnecessary speculative disruptions.

Written By – Nikhil Naik

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