The Principals of DIETs and Project Officers of SSA, AMO SSA of Kadapa. West Godavari. Visakhapatnam and East Godavari districts are hereby informed that replacement of schools exceed 15% (9 Sehools) in these four districts. NCERT strictly instructed to conduct NAS -2017 Examination in sample schools only. The upper limit of replacement is only 9 for classes III and V and 8 is upper limit for class VIII. Instead of RI, R2 Schools exam may be conducted in the sample schools.