The court agreed with the CBI that the possibility of Chidambaram influencing witnesses cannot be ruled out. The court noted that he was a strong home minister and finance minister, is a member of Parliament (MP) at present, and has a long standing as an advocate.

from Times of India https://timesofindia.indiatimes.com/india/may-influence-witnesses-delhi-hc-refuses-bail-to-chidambaram-in-inx-media-case/articleshow/71375659.cms