supply of 1. HDPE pipe, 2 Inch, PN-6 having C-clamp type (male & female), ISI mark of 6 mtr length alongwith risers & stoppers for drip line 20 Nos., 2. HDPE pipe, 2 Inch, PN-6 having C-clamp type (male & female), ISI mark of 6 mtr length 20 Nos.,