Hong Kong-based co-working firm The Executive Centre (TEC) has posted 31 per cent growth in India revenue to Rs 475 crore during the last calendar year driven mainly by expansion amid rising demand for flexible workspace. TEC, one of the leading premium workspace providers with a presence in 15 countries, has 40 co-working centres in India, comprising around 13,000 workstations and 12 lakh square feet of area.