bids are invited for customized annual maintenance contract /cmc for pre-owned products - survey of pl in non roulength 1km; na; annual maintenance contract (amc); as and when required basis; yes , customized amc/cmc for pre-owned products - survey pl in non roulengthmore than 1k; na; annual maintenance contract (amc); as and when required basis; yes , customized amc/cmc for pre-owned products - survey of pipeline in rou length upto 1k; na; annual maintenance contract (amc); as and when required basis; yes , customized amc/cmc for pre-owned products - survey pl in roulength morethan 1km or less; na; annual maintenance contract (amc); as and when required basis; yes , customized amc/cmc for pre-owned products - mobil and demobil charges; na; annual maintenance contract (amc); as and when required basis; yes , customized amc/cmc for pre-owned products - carrying out bore logvisual clification; na; annual maintenance contract (amc); as and when required basis; yes , customized amc/cmc for pre-owned products - topographic survey for 150000 sq mtr; na; annual maintenance contract (amc); as and when required basis; yes , customized amc/cmc for pre-owned products - carrying out cadastral survey liasioning; na; annual maintenance contract (amc); as and when required basis; yes total quantity :