Gangtok: A three-tier security cordon has been provided to secure the strong room at Biraspati Parsai Government Senior Secondary School in Marchak, 10-km away from Gangtok.
...3-tier security, 50 CCTVs to protect Sikkim strong room
A secured three-tier cordon is manning the strong room for 13 constituencies, including Sangha seat along with lone Parliamentary constituency of Sikkim.