New Delhi:Rural development minister Jairam Ramesh on Friday said writing letters is the only option left to him to persuade Uttar Pradesh chief minister Mayawati to order a Central Bureau of Investigation (CBI) probe into alleged irregularities in implementation of the Mahatma Gandhi National Rural Employment Guarantee Scheme.

Rural development minister Jairam Ramesh (Pradeep Gaur/Mint)

He said the state quality monitor appointed by the Mayawati government found irregularities in implementation of MGNREGS in some districts.