The Union Finance, Corporate Affairs and I &B Minister Shri Arun Jaitley has suggested that concentration on sports of core competence such as Hockey, Wrestling, Archery, Badminton, Boxing and shooting etc can produce better results for the country in international sports events like Olympics. Speaking as a chief guest at the Conference of Ministers of States/UTs in charge of Youth Affairs and Sports here today, he said that past experience has shown that all countries cannot excel in all sports and a focused approach on sports of core competence has yielded better results for the countries world over.