The umbrella organisation leading the agitation for One-Rank, One-Pension (OROP) has split.<br/><br/>A key faction dissociated itself from the grouping, citing lack of cohesiveness and suggesting politicisation of the movement.<br/><br/>Balbir Singh, President of Indian Ex-Servicemen League said in New Delhi on Wednesday that they have informed the United Front of Ex-Servicemen Movement about their decision to withdraw from the organistion.<br/><br/>Singh was one of the key negotiators from the veterans' side in talks with the government over OROP.<br/><br/>He said he is against the rally being organised on Saturday at Jantar Mantar.<br/><br/>Singh claimed that his group has about four and half lakh members and none from his side would be participating in the rally.