Why killers of Kanhaiyalal were planning to arrange RDX?

All accused of the Udaipur murder case were continuously talking about doing something big in Udaipur for Islam. All four accused were planning to arrange RDX but somehow they changed the plan. Rajasthan ATS in his investigation has found that the main accused was in contact with Pakistan's Salman Haider. So what was the actual plan of these accused, watch in this video.