Common Cause & Ors vs Union Of India & Ors

The Supreme Court emphasized the necessity of maintaining confidentiality in investigations conducted by the CBI, particularly regarding the allocation of coal blocks. The Court mandated that the Director of CBI file affidavits detailing the status of investigations and any disclosures made to political executives, reinforcing the principle that investigations must remain free from political interference. The Court held that the CBI must ensure the secrecy of inquiries and that no access should be granted to any government officials, thereby upholding the integrity of the investigative process.