India, March 11 -- The relationship between banks and large corporate borrowers in India often raises questions, especially when it comes to granting huge loans and recovering them after default. Data about cases filed by the State Bank of India (SBI) against large defaulters shows patterns that appear complex and sometimes puzzling.

For instance, SBI has filed two civil cases against fugitive C Sivasankaran's company Dishnet Wireless Limited. Sivasankaran gained notoriety in the Aircel-Maxis case, where P Chidambaram and his son Karti Chidambaram were involved in a quid-pro-quo in granting Foreign Investment Promotion Board clearance to Maxis Communications to acquire 74 per cent of Aircel.

According to data from TransUnion CIBIL, SBI ...