Ranchi, Sept. 15: It was a test of their creativity, intellect and knowledge of science.

Racking their brains, students of St Xavier’s College designed 60 models based on their physics, mathematics, zoology, botany and biotechnology lessons.

The problems the students aimed to address at the two-day exhibition ranged from water and electricity crisis to global warming.

Sunny Kumar, a BSc (Part II) student of mathematics, created a model where electricity was generated through hand pumps. “In rural areas there is no electricity. If a dynamo is fitted to a turbine, mechanical energy can be converted into electrical energy resulting in electricity,” he said while explaining his exhibit.

His classmate Swati Roy came up with a model on Vedic mathematics. “Vedic maths is extensively applied in premier institutions of US, England and in NASA too because it is simple,” she said.

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Gaurav Tekriwal is the founder President of the Vedic Maths Forum India. Through television programs, workshops, DVDs, and Books he has taken the Vedic Maths System to over 4 million students in India, South Africa, United States, Australia, UAE, Ghana, and Colombia.