BA Sociology cutoff for different colleges under Delhi University are

1. Bharati College-85.5
2. Hindu College-96.75
3. Indraprastha College for Women-96.0
4. Jesus and Mary College- 95.5
5. Kamla Nehru College- 93.0
6. Lady Shri Ram College for Women-97.0
7. Miranda House University College for Women-96.75
8. Sri Venkateswara College-96.25

So, getting admission in top colleges under DU, with 70%, is much probable. You can apply for other colleges in Delhi which may accept your scores.

hi,

see there is almost 77 colleges which offers different ug courses is under delhi university, admission of many courses is done based on 12th merit score, however you may not get admission in tier 1 colleges like Miranda house, hansraj college delhi at this score. however since there is many of the colleges available I suggest you to apply and lets see what comes around.