New Delhi: Two more accused have been sentenced to five years and 10 months of Simple Imprisonment (SI) in the Pakistan-linked Visakhapatnam Navy espionage case, the National Investigation Agency (NIA) said on Friday. The NIA Special Court in Visakhapatnam (Andhra Pradesh) convicted Kalavalapalli Konda Babu from Visakhapatnam district and Aviansh Somal from Kangra district (Himachal.