The Goa bench of Bombay High Court has issued notices to holders of 48 mining leases in the state for exceeding the permissible limit of extraction. The notices were issued after an NGO, Goa Foundation, filed a Public Interest Litigation (PIL), accusing the lease holders of violating the state environment laws.Notices have been issued to big mining companies including V S Dempo, Timblo Irmaos, V M Salgaoncar and Chowgule & Co. Besides, Court has issued notices to Union Ministry of Environment and Forests,(MoEF). Next hearing would be on September 19.The state has 100-odd mining leases, which export 54 million metric tones of ore annually. Meanwhile, State Assembly's Public Accounts Committee (PAC), headed by former Chief Minister Manohar Parrikar,said that 32 mining leases had already exported around 60 lakh tons of iron ore in the absence of licences.