Robotech Transmining Private Limited · Mineralogi Impex Private Limited · Sb Rock Field Private Limited · Robotech Cement Private Limited · Minerex India Private Limited · Calrock Cementation Private Limited · Silpa Lime Sources Private Limited · Limerock Cementation Private Limited · U13100 Ap2011 Ptc072112 · U13200 Ap2013 Ptc085239 · U13201 Ap2010 Ptc070572 · U24232 Ap2011 Ptc072498 · U13203 Ap2010 Ptc070571 · U13209 Ap2011 Ptc072373 · U13209 Ap2011 Ptc073658 · U13201 Ap2011 Ptc073274