Dharamshala, May 10 ( UNI) Agriculture Minister Prof. Chander Kumar, Himachal Pradesh Tourism Development Corporation Chairman (Cabinet Rank) R.S. Bali, and Deputy Chief Whip Kewal Singh Pathania today expressed deep sorrow over the martyrdom of Subedar Major Pawan Kumar of the 25 Punjab Regiment, in cross-border shelling by Pakistani forces in Jammu and Kashmir.