Group One
No. 5/D, Gholar Ghat Road,Behala,
Kolkata- 700060, West Bengal (India)
Pentagon Securitas
158-Lennin Sarani Kolkata
Kolkata- 700013, West Bengal (India)
Shalendra Industrial Security Service
Basanti Bhavan, Haldia, P. O. Durgachak, Haldia
Haldia- 721602, West Bengal (India)