You can consider below names as these colleges are decent to pursue Eco (H) -

LADY SHRI RAM COLLEGE FOR WOMEN - [LSR], NEW DELHI

LOYOLA COLLEGE, CHENNAI

SHRI RAM COLLEGE OF COMMERCE - [SRCC], NEW DELHI

SRI VENKATESWARA COLLEGE, NEW DELHI

GARGI COLLEGE, NEW DELHI

DELHI COLLEGE OF ARTS AND COMMERCE - [DCAC], NEW DELHI

CHRIST UNIVERSITY, BANGALORE

MIRANDA HOUSE COLLEGE, NEW DELHI

PRESIDENCY COLLEGE, CHENNAI

MADRAS CHRISTIAN COLLEGE - [MCC], CHENNAI

HINDU COLLEGE, NEW DELHI

HANS RAJ COLLEGE - [HRC], NEW DELHI

FERGUSSON COLLEGE, PUNE

JESUS AND MARY COLLEGE - [JMC], NEW DELHI

RAMJAS COLLEGE, NEW DELHI etc.

Note : As there are many colleges available in India to pursue Eco (H) program, few of them I have mentioned above. Also, all colleges have their own eligibility and admission process.

Good Luck!!!