the supply and delivery of liquid nitrogen tender document for the supply and delivery of liquid nitrogen to the units of the department of animal husbandry and tamil nadu co-operative milk producers federation ltd , for destination rate ( supplied in litres & billed in litres ) , south ( nagercoil, theni, thoothukudi, virudhunagar, ramanathapuram, sivagangai, madurai, tirunelveli ) , west ( the nilgiris, coimbatore, erode, tiruppur, dindigul, karur, namakkal, dlf, udhagamandalam ) , north ( tiruvallur, kancheepuram, vellore, krishnagiri, dharmapuri, thiruvannamalai, villupuram, salem, district livestock farm, hosur ) , east ( cuddalore, perambalur, ariyalur, tiruchirappalli, pudukkottai, thanjavur, nagapattinam, thiruvarur, ecbf, eachenkottai )