Since beginning he was a devoted staunch Congress Worker. He had a very deep knowledge of law but due to his involvement in Congress work he could not give proper attention to his practice. He was a brilliant speaker and good orator. He was very popular in Muslim Masses and was called 'Vali Shah' by them. He was the Vice President of Sind Provincial Congress Committee and leader of Congress Assembly Party. After partition he was in charge of the Refugee Camps in Maharashtra. He devoted his time to this Congress work and Rehabilitation of Refugees from Sind.

Many times he was sentenced to jail in Congress National Movements. In 1942, he went under ground for some time. After Choithram Gidwani, Valecha was a veteran Freedom Fighter who chose crown of thorns rather than post and position which he could have got easily.