
He established 360 Sikh missionary seats (ManJis). Guru Har Rai Sahib also visited Lahore, Sialkot, Pathankot, Samba, Ramgarh and many places of Jammu and Kashmir region. The emperor, whole heartily thanked and wanted to grant some "Jagir", but Guru Sahib never accepted. The life of Dara Shikoh was saved from the cruel jaws of death. Guru Sahib accepting the request, handed over some rare and suitable medicines to the messenger of the emperor. At last the emperor made a humble request to Guru Sahib for the treatment of his son. The best physicians available in the country and abroad were consulted, but there was no improvement. Once Dara Shikoh, the eldest son of Shah Jahan fell seriously ill by some unknown disease. Guru Sahib also established an Aurvedic herbal medicine hospital and a research centre at Kiratpur Sahib. Guru Sahib often awarded various Sikh warriors with gallantry awards. This self-defense measure, (a befitting reply to the unwarranted armed attack of the privileged muslims), was an example for those who professed the theory of so called non-violence or "Ahimsa Parmo Dharma". The enemy suffered a heavy loss of life and fled the scene. The unwarranted attack was repulsed by a few hundred Saint Soliders of Guru Sahib with great courge and bravery. Once Guru Sahib was coming back from the tour of Malwa and Doaba regions, Mohamad Yarbeg Khan, (son of Mukhlis Khan, who was killed by Guru Hargobind Sahib in a battle) attacked the kafla of Guru Sahib with the force of one thousand armed men. Guru Sahib helped him to escape safely from the bloody hands of Aurangzebs armed forces during the war of succession. Once on the request of Dara Shikoh (the eldest son of emperor Shahjahan). But he never himself indulged in any direct political and armed controversy with the contemporary Mughal Empire.
He otherwise further boosted the military spirit of the Sikhs. Guru Har Rai Sahib was a man of peace but he never disbanded or discharged the armed Sikh Warriors(Saint Soldiers), who earlier were maintained by his grandfather (Guru Hargobind Sahib). Guru Har Rai Sahib had two sons: Sri Ram Rai Ji and Sri Hakrishan Sahib Ji (Guru). Guru Har Rai Sahib married to Mata Kishan Kaur Ji(Sulakhni Ji) daughter of Sri Daya Ram Ji of Anoopshahar (Bulandshahar) in Uttar Pradesh on Har Sudi 3, Samvat 1697. Guru Har Rai Sahib was the son of Baba Gurdita Ji and Mata Nihal Kaur Ji(also known as Mata Ananti Ji). Guru Hargobind Sahib Ji, before his departure for heavenly abode, nominated his grand son, Har Rai Ji at the tender age of 14, as his successor (Seventh Nanak), on 3rd March, 1644. Guru Har Rai Ji : Seventh Sikh Guru Sahibįeb.
