Indian shuttler Sourabh Verma has reached the semi-finals in the men's singles category of the Syed Modi Memorial India Open Grand Prix Gold.In the quarter-finals played in Lucknow today, he defeated seventh seed Yun Hu of Hong Kong 23-21, 21-19. The pair of Jwala Gutta and V.Dijju have also qualified for the semi-finals in the mixed double category.They defeated Hong Kong 's Wai Hang Wang and Hoyi Wao Chao 21-8, 21-16 in their quarter final clash in Lucknow today.