the living together of two dissimilar organisms; the relationship may be beneficial to both (mutualism and symbiosis), beneficial to one without effect on the other (commensalism), beneficial to one and detrimental to the other (parasitism), detrimental to the first without any effect on the other (amensalism), or detrimental to both (synnecrosis).
Delhi Sultanate. refers to the various Muslim dynasties that ruled in India (1210â1526). It was founded after Muhammad of Ghor Muhammad of Ghor,d. 1206, Afghan conqueror of N India. A brother of the sultan of Ghor, he was made governor of Ghazni in 1173 and from there launched a series of invasions of India. By 1186 he had conquered the Muslim principalities in the Punjab...... Click the link for more information.
North Delhi: North Delhi lies in the region of Old Delhi and has its own importance in the landscape of Delhi. North Delhi has the trace of some great monuments that Mughals left behind like Red Fort and Jama Masjid. Delhi's old and popular markets are located in North Delhi.