As stated in TDS
Improvement of Road from Patuakhali-Betagi R&H Pairakunja Bazar Kakrabunia GC via Officer hat Sadar Part from Ch. 3200m-5200m including 3 Nos 1.50mx1.50m RCC Box Culvert at Ch. 3615m 3700m & 4840m ID No. 578952011