An optical fiber cable comprising: a plurality of optical fiber ribbons lying substantially along a longitudinal axis passing through a geometrical center of the optical fiber cable; a first layer surrounding the plurality of optical fiber ribbons; a second layer concentrically surrounding the first layer, wherein the second layer is a dry loose tube layer; a third layer concentrically surrounding the second layer; a fourth layer concentrically surrounding the third layer; and two pairs of strength members (142a-b; 142c-d) embedded inside the second layer, wherein the first layer is a water blocking tape, having a first thickness (t 1) in a range of 0.2 millimetre to 0.3 millimetre, the second layer being made of low smoke zero halogen (LSZH) and having a first diameter in a range of 11 millimetres to 12 millimetres, the second layer has a second thickness in a range of 2.5 millimetres to 3.0 millimetres, the second layer maintains a circular cross section of the optical fiber cable, the second layer reduces ovality of the optical fiber cable to at least 5 percent, the second layer has a free space in a range of 1.26 millimetres to 1.66 millimetres, the third layer is made of a first sub layer and a second sub layer, the first sub layer of the third layer concentrically surrounds the second layer, the second sub layer of the third layer concentrically surrounds the first sub layer, the second sub layer of the third layer has a third thickness (t 3) in a range of 0.15 ± 0.025 millimetres, the first sub layer of the third layer and the second sub layer of the third layer are bonded, the first sub layer of the third layer and the second sub layer of the third layer are bonded with at least one of glue, epoxy resins and polyester resins, the fourth layer has a second diameter (d 2) in a range of 14 millimetres to 16 millimetres, the fourth layer has a fourth thickness (t 4) in a range of 1.5 millimetres to 1.7 millimetres, each pair of strength members of the two pairs of strength members (142a-b; 142c-d) are symmetrically placed inside the second layer, the two pairs of strength members (142a-b; 142c-d) are placed 180 degree apart inside the second layer. a plurality of optical fiber ribbons lying substantially along a longitudinal axis passing through a geometrical center of the optical fiber cable; a first layer surrounding the plurality of optical fiber ribbons; a second layer concentrically surrounding the first layer, wherein the second layer is a dry loose tube layer; a third layer concentrically surrounding the second layer; a fourth layer concentrically surrounding the third layer; and two pairs of strength members (142a-b; 142c-d) embedded inside the second layer, wherein the first layer is a water blocking tape, having a first thickness (t 1) in a range of 0.2 millimetre to 0.3 millimetre, the second layer being made of low smoke zero halogen (LSZH) and having a first diameter in a range of 11 millimetres to 12 millimetres, the second layer has a second thickness in a range of 2.5 millimetres to 3.0 millimetres, the second layer maintains a circular cross section of the optical fiber cable, the second layer reduces ovality of the optical fiber cable to at least 5 percent, the second layer has a free space in a range of 1.26 millimetres to 1.66 millimetres, the third layer is made of a first sub layer and a second sub layer, the first sub layer of the third layer concentrically surrounds the second layer, the second sub layer of the third layer concentrically surrounds the first sub layer, the second sub layer of the third layer has a third thickness (t 3) in a range of 0.15 ± 0.025 millimetres, the first sub layer of the third layer and the second sub layer of the third layer are bonded, the first sub layer of the third layer and the second sub layer of the third layer are bonded with at least one of glue, epoxy resins and polyester resins, the fourth layer has a second diameter (d 2) in a range of 14 millimetres to 16 millimetres, the fourth layer has a fourth thickness (t 4) in a range of 1.5 millimetres to 1.7 millimetres, each pair of strength members of the two pairs of strength members (142a-b; 142c-d) are symmetrically placed inside the second layer, the two pairs of strength members (142a-b; 142c-d) are placed 180 degree apart inside the second layer.