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How a broom maker helped trio from IIT-D make drones to light up Rajpath

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How a broom maker helped trio from IIT-D make drones to light up Rajpath

The sky over Rajpath lit up in a kaleidoscope of colors on Saturday, as 1,000 drones created a 3D image of Bapu with his walking stick, tricolor flag and a map of India. The brains behind the event are two IIT-Delhi alumni and their professors, who spent six months designing and building the drones and preparing different animations to recreate in the sky.

Tanmay Bunkar and Anuj Kumar Barnwal, physics graduates from IIT Delhi, co-founded their startup Botlab Dynamics with Dr Sarita Ahlawat in 2016. Their goal is to replace large, expensive drones with simpler, cheaper drones that can perform the same tasks and carry the same payloads by forming a network or collaborative aviation system. Over time, they received grants from IIT-Delhi’s Department of Science and Technology and the I-Hub Robotics Foundation (IHFC).

On Saturday, Rajpath’s sky was their canvas, drones and their brushes, with different patterns to mark the 75th anniversary of independence. These include a giant 3D globe, a rising tricolor, a map of India, and an Ashok chakra in the center. It was an elaborate process that took months to conceive and design.

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“We came up with a concept where we would show six or seven patterns. Then it had to be turned into an animation on the computer. It was a very time-consuming exercise, each animation could take up to two weeks. Then We run this animation through a simulation to make sure the drones don’t collide with each other, taking into account factors like air speed. After this, we input the program into each drone, then bring them to the ground and do a test flight,” explains Dr. Say. Ahawat.

Last July, the Defense Department told Botlab Dynamics that they would be taking part in Republic Day celebrations and that they had to target 1,000 drones. Before that, Tanmay and his colleagues had never handled more than 80 drones at the same time.

“The reliability of these drones is key to making sure the show runs smoothly. We have 1,000 drones to complete a show, but we don’t have 1,000 people to maintain each drone, do pre-flight inspections, etc. That is This is a luxury that we don’t have. So we decided to build the drone ourselves so that we can understand the causes of different errors and malfunctions,” said Tanmay Bunkar.

Soon, they started ordering parts and assembling the hardware. But at this time, the global supply chain is snapped up, and the shortage of different components such as semiconductor chips starts to impact different industries. This forced the team to look for alternatives at home. That’s when they found a guy in Manesar who made motherboards for phones and asked him to make printed circuit boards.

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Tanmay said the drone’s casing was made by Seelampur, a manufacturer of fruit baskets and broom handles.

Complete News Source : The Hindu

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Kunal Kemmu Reveals Crucial, Heartbreaking Struggle of Being Jobless

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Kunal Kemmu Reveals Crucial, Heartbreaking Struggle of Being Jobless

The glamour and glamour of Bollywood can mislead us to the hard, cold reality that lies behind the velvet curtains. We see the flashing cameras, beautiful attire, and thunderous ovation, but we rarely see a gifted artist’s quiet anguish as he waits for the phone call.

Recently, the immensely adaptable Kunal Kemmu shattered this shiny façade by revealing a terribly difficult period in his career. Despite his established acting talent and irresistible charm, the actor disclosed a heartbreaking truth that many in the creative business covertly face.

He openly discussed being unemployed for six months to a year. This devastating revelation serves as a sharp reminder that in the entertainment industry, success is dangerously transitory and rejection is an ever-present shadow.

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The Toxic Illusion of Industry Advice

When a picture fails to do well at the box office, the implications for an actor can be swift and severe. Kunal Kemmu described how a single project’s failure entirely halted his momentum, severing a blossoming career and leaving him stuck at home.

During this dark and alienating era, well-meaning strangers and business insiders raced to offer him advice. However, the nature of this advise emphasises the superficial, performance mentality that pervades the entertainment industry.

Instead of being told to improve his skills or patiently wait for a story that matched his talent, he was subjected to odd societal demands. People sincerely recommended him to hire aggressive public relations personnel, hold lavish parties, network tirelessly, and give expensive presents to key persons in order to remain relevant.


Rejecting the Performative Circus

For an actor who has always prioritised depth above theatrics, this trite counsel felt completely out of place. Kunal Kemmu said that, while such transactional approaches may work for some people, they do not accord with his underlying principles.

The strain to play an off-camera role can be just as stressful as presenting a complex character on stage. Kunal chose not to participate in the superficial lifestyle of mailing gifts or throwing fictitious gatherings only to get a film role.

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Instead of feeding a frantic public relations narrative, he chose to maintain his personal dignity while emphasising his artistic ability. This modest disregard of industry standards demonstrates the enormous mental strength required to endure the unpredictable nature of Indian cinema.


The psychological toll of being creative while unemployed is a significant problem that few celebrities openly mention. Kunal Kemmu did not hold back while recounting the extreme uneasiness and paralysing worry that overwhelmed him throughout his year-long forced leave.

When you are entirely out of employment, a corrosive loop of self-doubt will inevitably take over your head. The actor admitted to continually worrying if he’d ever get the opportunity to appear in front of a camera again.

This great vulnerability reveals a universal reality about the performing profession. Whether you are a famous superstar or a struggling newbie, the frightening unpredictability of the entertainment industry spares no one.

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The Actor’s Ultimate Dilemma

Aside from the emotional discomfort, a protracted lack of work throws an artist into a corner, posing a significant ethical quandary. Actors are constantly torn between waiting for high-quality scripts and accepting substandard assignments solely for financial survival.

Kunal Kemmu acknowledged the agonising struggle that most creative professionals undergo at certain stages in their careers. The fear of being forgotten by the public drives many artists to make significant compromises to their artistic integrity.

It takes a lot of patience and self-belief to say no to subpar job when your calendar is empty. Kunal’s tale demonstrates that following your intuition can be extremely painful but eventually beneficial.


Embracing the Ever-Changing Acts of Life

Today, Kunal Kemmu is experiencing a stunning professional renaissance, juggling acting commitments, hosting a major reality program, and celebrating directing success. Nonetheless, he remains delightfully grounded, acutely aware that the current spotlight is not certain to last forever.
Asian Horizon Network

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He sees his career as a long film that unfolds brilliantly through distinct acts, rather than a constant apex. This realistic viewpoint enables him to enjoy his current hectic schedule without getting arrogant or complacent.
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Kunal has brought consolation to other artists who are going through their own silent challenges by revealing his difficult period of unemployment. His narrative demonstrates that genuine genius does not require transactional gifts or contrived parties to achieve its proper position in the light.


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