The games like the Tower of Hanoi, Magic Square, Frogs and Toad and Double Game are based on reasoning and logic.

"They improve concentration and reasoning abilities as they initiate rookies into the subject. It does not burden the mind and benefits children psychologically," says Kumar.

Vedic math, interpreted in the modern context in 1965 by seer Bharati Krisna Thirthaji Maharaja in his book 'Vedic Mathematics', has 16 'sutras' (formulas) and 13 sub-sutras (smaller theorems) to solve the entire gamut of mathematical problems mentally in less than one-tenth of the time taken to solve them through conventional methods.

In a live demonstration, Kumar added two sets of 24-digit numbers down to its last decimal point in less than five seconds, without a word.

"It is easier, but speed comes with practice," he said.

Photographs: Stock Xchange

The photographs are for representative purpose only.