Services sector figures show a strong increase in business activity, said Subhash Chandra GargNew Delhi:Strong growth in the country's services sector "should augur well for 3rd quarter GDP growth," a top finance ministry official said in a tweet on Wednesday.Business activity in the dominant services sector expanded in November at the quickest pace in four months, lifted by a significant rise in domestic demand, a private survey showed on Wednesday.The figures showed a "strong increase in business activity and in demand", said Economic Affairs Secretary Subhash Chandra Garg.