Falling on the toes of its peers, the biggest lender of the country, SBI also entered into the retail sale of gold coins. Announcing the launch on Tuesday, by the Mumbai circle comprising Maharashtra and Goa zones, SBI joined the likes of BoB and UBI that have already entred into the field recently. Gold coins weighing upto 10 gms have been made available in select branches of the bank with immediate effect, arrangements were being made to make available higher denomination coins and gold biscuits too.