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| Birth | : | 7th February, 1958, St. Mary’s Parish, Vendore, Thrissoor .Dt., Kerala | 
| Parents | : | Mr. M.V.Chacko (late) & Kathreena Chacko | 
| Primary School | : | St. Francis Xavier School, Vendore | 
| High School | : | Thyagarajar H.S. Alagappanagar, Thrissoor. | 
| Minor Seminary | : | St. Lawrence Minor Seminary, Agra (1973-75) | 
| Philosophy | : | St. Joseph’s Regional Seminary, Allahabad (1975-77) | 
| Theology | : | St. Joseph’s Regional Seminary, Allahabad(1979-83) | 
| B.A & M.A | : | Agra University | 
| Doctorate | : | Angelicum University, Rome (1990–1996) | 
| Ordination | : | 11th May, 1983 | 
| 1983-84 | : | Etah Mission | 
| 1984-1990 | : | Rector, St. Lawrence Minor Seminary, Agra | 
| 1996-1997 | : | Principal, St. Dominic’s School, Mathura | 
| 1997-1998 | : | Staff Member, St. Joseph’s Regional Seminary, Allahabad | 
| 1998-1999 | : | Vice Rector, St. Joseph’s Regional Seminary, Allahabad | 
| 1999-2005 | : | Rector, St. Joseph’s Regional Seminary, Allahabad | 
| 2005-2007 | : | Parish Priest, Cathedral of the Immaculate Conception, Director, Diocesan Pastoral Centre, Agra | 
| 19th December, 2006 | : | Diocesan Administrator | 
| 24th February, 2007 | : | Appointed as the Bishop Of Varanasi Diocese |