RK Infracorp emerges as L1 bidder for two packages of Shivpur-Kathotia (Hazaribagh) New Railway Line Project (Coal Connectivity) December 12, 2022 | Awarded, Project Updates RK Infracorp Private Limited has emerged as the lowest (L1) bidder for two packages for civil works under the Shivpur-Kathotia (Hazaribagh) New Railway Line Project (Coal Connectivity). This content is restricted.