Which one of the following pairs is correctly matched?

1. Guru Amar Das (3rd Sikh Guru) established the Manji system (administrative subdivisions) and strengthened the Langar system. 2. Guru Hargobind (6th Sikh Guru) introduced the concept of Miri and Piri (temporal and spiritual authority). 3. Guru Arjan Dev (5th Sikh Guru) compiled the Adi Granth (the first rendition of the Sikh scripture). This pair is correctly matched. 4. Guru Ram Das (4th Sikh Guru) founded the city of Ramdaspur (now Amritsar). 5. The Dal Khalsa was an amalgamation of Sikh misls formed later, associated with the period after Guru Gobind Singh. 6. Guru Gobind Singh (10th Sikh Guru) established the Khalsa Panth.