According to a study, the history of Azadari-e-Imam Hussain(AS)  in India and Pakistan is established since the time of Imam Muhammad Baqir (as), a part of Hindu Brahmins in India has been busy in Azadari-e-Imam Hussain(AS) since the incident of Syed al -Shahadah Imam Hussein (AS) and today this group of Brahmin Hindus. According to Dr Hilal Naqvi, a prominent researcher of Pakistan, the regular history of Azadri in the Indian subcontinent covers a thousand years, there have been some occasions in the Mughal period when the Azadari of Imam Hussein were not been observed. When the Shiites of India began to keep their faith hidden, but Azadari did not abandon Syed al -Shahadah, the elders in India also protected Azadai-e-Imam Hussain in this period and continued it with the whole Splendor, Dutch trader pehlay sart in the 1620s.wrote in his journey, a group of Hindus is also called Husseini Brahman, according to which his ancestors fought with Lashkar -e -Yazid along with Imam Hussein Ibn Ali in the field of Karbala and martyred, the group regularly remembers Karbala. In the former regions of India, Hindu gentlemen also receive historical traditions of devotion and Azadai-e-Imam Hussain from Imam Hussein, in which Rajasthan, Gwalior, Madhya Pradesh, Andhra Pradesh are noteworthy. The tomb recovered to the Muharram was patrolled in the palaces and the Muslim servants used to pray, while Shiv Prasad and his sons followed them in barefoot and bare head, in 1775, the Shi'ite state of Oudh, which the Mughals rule acknowledged that the stable foundation of the Azadai-e-Imam Hussain of Syed al -Shahadah was established. It was already celebrated from the Holy Quran, but after the British occupation of India, they considered the gatherings of Azadai-e-Imam Hussain as a threat to themselves and made it the title of Shi'ite and Sunni differences. Celebrating separately, and this division remains intact so far, which was a temptation of British occupants.
After partition India, Karachi became the center of Azadai-e-Imam Hussain while the second center is Lahore, millions of gatherings of Azadai-e-Imam Hussain are held in the dimensions of Pakistan, Karachi is the largest center of Azadai-e-Imam Hussain. According to Senior Journalist and Analyst Kamran khan the cost of Azadai-e-Imam Hussain in Karachi is Rs 20 billion, which also strengthens the Pakistani economy.
The center of Azadai-e-Imam Hussain al -Shahadah celebrated by the Ahl -e -Sunnat is also Karachi Hyderabad and Sukkur, where more than a thousand processions are recovered, in which the scholars of the Sunnah and the poets perform Mursiya Khwani and lament  Khwani, by the Ahl al -Sunnah. The second largest center of Azadai-e-Imam Hussain is Multan, which is called the city of Sufi, besides having a historical status.
Mir Anis and Mirza Dabir have played an important role in the Azadari-e-Imam Hussian(AS) of the sub-continent. There has not been a greater poet than them in marsiya and salam writing, today Azadari-e-Imam Hussain(AS) in Pakistan and India begins with the marsiya and salam of these two figures.
Even today in Pakistan and India, Majalis-e- Aza begin with the salam and marsiya of Ustad al-Shuara Mir Anees and Mirza Dabir. His Mursiya and salam is read by Shias and Sunnis as well as Hindus of the subcontinent.