6 students come up with machine to chase away monkeys

The project was part of final year project in diploma course.

Written by Ifrah Mufti | Chandigarh | Published: May 5, 2015 3:43:09 am
college project, project on monkey, diploma course project, chandigarh electronic monkey,electronic monkey repeller,  news, city news, local news, Punjab news, Indian Express The students with their device. (Source: Express Photo by Kamleshwar Singh)

With sterilization and monkey catchers proving to be of little help in tackling monkey menace, some city- based engineering students have developed an electronic monkey repeller to deal with the problem.

To avoid any harmful effect that can be caused by an ultrasonic repeller, the students have made the repeller with a regular sound system.

With easy operation and customised options, this device would make the sounds of a langoor to scare the monkeys away from a particular area. Weighing 2.85 kg, the repeller would cover an area of 30 metres while the range could be increased as per needs by installing bigger speakers.

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A team of six students from the Chandigarh College of Engineering and Technology, Sector 26, have presented the electronic monkey repeller as part of their final year project in the diploma course of electrical engineering.

“Concept of device came from our college hostel where monkeys have been a huge problem. For the last few years, our college has been hiring a langoor which makes noise to repell monkeys and hiring of the langoors used to cost over Rs 10,000 per month,” said one of the team members, Anish. “As hiring langoors is banned by the government and this monkey menace is not only confined to our college hostel but also the entire city, we developed this project keeping in view the common problem of the city residents, especially the northern sectors where the monkey menace is a major problem.”

The other team members — Shakher Kumar, Ajay Jaswal, Sunil Negi, Digember, Rakesh Kumar, project incharge Anshu Sharma and head of department M L Rana — assert that the device will be a one-time investment and will work on electricity. If in some areas, there is no electricity supply, arrangements have been made for the repeller to work on the battery, solar power or regular power socket at homes. Not only this, people will be able to control the repeller by an infrared remote.

The body of the device has been made by weather-proof material. As per requirements, infrared sensors can also be installed in it which will start the device, after sensing any activity by the monkeys. But, accordingly, it would increase the cost of the device.

“The full fabrication of this project took six months from design to manufacture. The sound range of this device can be increased as per needs. If the area is square, then the repeller will have to be installed in all the four corners. The repeller could be modified as per the area. We did an experiment with the repeller at PGI last week and we got a positive response,” said Digember.

To cost approximately Rs 10,000, the device will be a one-time investment and will help the city in chasing away monkeys in a better way, insist the team members.


Three years ago, the UT Administration had also proposed to get an ultrasonic monkey repeller installed in the city to get rid of the monkey menace but it had not worked out, apparently because of ill effects of its sound pressure.

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