Who among the following is eldest?

Answer the questions based on the information given below. Eight persons A, B, C, D, E, F, G and H were born in the years 1963, 1967, 1976, 1979, 1983, 1987, 1990, and 1997 not necessarily in the same order. They were born in the places Lucknow, Meerut, Ghaziabad, Haridwar, Rampur,Dehradun, Delhi and Mumbai not necessarily in the same order. They were born on the same date
i.e. on 17th October. Make the age calculations as on 17th October 2019. H was 4 years elder to the one born in Haridwar. The one born in Haridwar was born at a gap of 4 persons from E. Number of persons elder to the one born in Rampur was one more than that of number of persons younger to G. G was 8 years elder to
D. Not more than two persons were born between H and G. The one born in Meerut was born after 1983 but not on even year. C was born in Lucknow at a gap of 4 persons from F. The one born in Mumbai was born just before B but not eldest. Nobody was born between the ones born in Delhi and Meerut. The person born in Dehradun was aged 36 years old. D was not born in Meerut and A was not born in Rampur and Dehradun. The person born in Ghaziabad was elder to the one born in Rampur.