TVS Motor Company on Monday said its Singapore-based arm has increased stake in the Germany-based electric mobility products and components start-up Killwatt GmbH to 49 per cent with the acquisition of an additional 8,000 equity shares for 4 million euros (over Rs 35 crore). TVS Motor (Singapore) Pte Ltd has agreed to acquire a further 8,000 equity shares in Killwatt GmbH following which its shareholding will increase from 39.28 per cent to 49 per cent by way of newly issued shares of the latter, TVS Motor Co said in a regulatory filing.