Dr. Israr Ahmad was known for his bayans, or lectures, on Islam and spiritual matters. These bayans were often broadcast on television and radio, and were also widely distributed in the form of audio and video recordings. In his bayans, Dr. Israr Ahmad addressed a wide range of topics, including the principles of Islam, the role of Muslims in society, and the importance of spiritual growth and development. Many people found his lectures to be inspiring and insightful, and they continue to be popular among those interested in Islam and spirituality.