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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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HT Rewind 2024: Teja Sajja says HanuMan kicking off the year in style is the moment he’d been ‘waiting for’ | Exclusive

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HT Rewind 2024: Teja Sajja says HanuMan kicking off the year in style is the moment he’d been ‘waiting for’ | Exclusive

In conversation with Hindustan Times, Teja Sajja decodes the success of HanuMan and other Telugu films, talks about his upcoming projects, and more.
When Prasanth Varma’s superhero film HanuMan, starring Teja Sajja, was announced to be released alongside big films like Mahesh Babu’s Guntur Kaaram, Venkatesh’s Saindhav and Nagarjuna’s Naa Saami Ranga in January this year, no one expected the underdog to emerge on top. And yet, the film, made on a budget of under ₹50 crore, managed to collect over ₹300 crore at the box office worldwide in 25 days, becoming one of the highest-grossing Indian films for the year. (Also Read: Ranveer Singh met HanuMan actor Teja Sajja, complimented him even after his Prasanth Varma film Rakshas got shelved)

Ask Teja about the moment he realised his film had not just fought against the tide but also risen to the top; he tells Hindustan Times in an exclusive conversation, “Since I returned to acting (as a lead actor after being a child artiste since 1998), this is the moment I’ve been waiting for. When everything from the HanuMan teaser to the songs was grabbing attention, we knew we had hit a gold mine. But I don’t think we imagined it would cross the ₹300 crore threshold. We were so satisfied with the opening numbers; everything else was a bonus.”

‘Success has given me fear of disappointing people’

Teja acted in Zombie Reddy, Ishq and Adbhutham before HanuMan, but they are what you would call ‘critical successes’, adding to his repertoire as an actor who can perform. But things have changed for him now, says Teja, who is being picky about the roles he says yes to. “Success either makes you overconfident or gives you the fear of disappointing people; I have the latter,” he explains.

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Teja admits he wants to chart out his career in Hrithik Roshan’s footsteps, but not in the way you think. “I have such a fondness for Hrithik due to Koi Mil Gaya and Krrish. No matter how well he performed after that, these left a lasting impression on me; I’m sure 90s kids will agree,” he says, adding, “Similarly, I’ve realised that I have an audience in children now. I want to be conscious of that when I pick roles. I want to make films families can enjoy together.”

But despite people in places like Mumbai or Delhi recognising him, Teja says he’s clear that he wants to cater to the Telugu audience first. “I am conscious that I am making films for my playground – the Telugu states. This is the sensibility I have grown up with, and I don’t know if I can cater to everyone else. Will I promote my films in other languages? Sure. But I also can’t be part of films that aren’t authentic to what I know or understand,” he explains.

‘Rootedness has put us on the world map’

And authenticity seems to be the need of the hour. Be it Baahubali and RRR or the recently released Pushpa 2: The Rule, Kalki 2898 AD and Devara: Part 1, certain kind of stories seem to be finding success. “Rootedness and going local is proving to be such a boon for us, be it in Devara or Pushpa or HanuMan. Kalki 2898 AD was our version of a Hollywood film (the sci-fi concept) with actors from across languages in predominant roles; it put us on the world map,” reflects Teja.

However, the actor admits Tollywood went through a phase of Bollywood-inspired rom-coms and family dramas that worked in their favour for a while. “That wasn’t easy to replicate either, but it’s just that these local stories are what the audience seems most interested in now. It can’t just be chalked up to religion, too. It’s about the morals these films are hinged on, the fighting for righteousness, and how an underdog can find their strength. Introducing Mahabharata or Ramayana to a new audience in a cool way is just a perk,” he says.

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And it’s this rootedness that Teja says his next films, Mirai and Jai Hanuman (the sequel to HanuMan), will also have ample of. “Mirai is also a superhero film that caters to kids, but it’s not an origin story like HanuMan. It has a pan-Asian and Buddhist touch because the story is based on King Ashoka’s ideologies. I hope that I will get to deliver something new to the audience again. I will only feel like I’ve arrived if Mirai is equally, if not more, successful,” says Teja.

Rishab Shetty will headline Jai Hanuman, but Teja also looks forward to shooting that. “I can’t wait to be on that set; it’ll be exciting. Now that we know India is ready to watch our films, I want to step it up. I want to shift gears and shoot for at least two films in 2025,” he says. As for what he will do next, Teja says he wants to up the ante. “When I got a SIIMA award for Zombie Reddy as a debutant, I remember telling Prasanth this would be the last award I get. But now that I won a Radio City Cine Award for Best Actor, I hope more awards will follow,” he signs off cheekily.

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