Who among the following is designated as CGM?

Answer the questions based on the information given below. Seven persons A, B, C, D, E, F and G work in seven banks viz. YES, IDFC, SBI, UCO, BOM, IOB and PNB but not in the same order. They work at different designations
i.e. AM (Assistant Manager), MG (Manager), DGM (Deputy General Manager), GM (General Manager), CGM (Chief General Manager), ED (Executive Director) and CEO (Chief Executive Officer). Note: The positions given are increasing order of seniority such that AM is the junior most person and the CEO is the most senior person. A is senior to only three persons. Person who works in YES bank is senior to GM. C is junior to the one who works in SBI and senior to DGM. DGM does not work in IOB. F does not work in SBI. The one who works in SBI is not the most senior. B is junior to A but not the junior most person and works in IOB. F is senior to one who works in IOB and junior to the one who works in YES bank. E is junior to GM. The one who works in UCO is junior to G and senior to DGM, who works in PNB. D works in IDFC bank.