on behalf of gmtd , jhunjhunu bsnl digitally signed tenders are invited for outsourcing of bts / te and following activities in ratangarh , sardarshahar , bidasar and sujangarh sdca area in churu ssa for a period of 2 years ( extendable by 1 year ) , type of works , type 1 - diesel filling activities , type 2 - mobile site maintenance & upkeep ( 2g and / or 3g and / or 4g ) , type 3 - mobile site collocated with telephone exchange maintenance & upkeep ( 2g and / or 3g and / or 4g and telephone exchange ) , type 4- telephone exchange maintenance & upkeep , type 5 rf optimization and rigger activities , type 6 - maintenance and provisioning of landline and broadband for external plant of copper network in selected exchanges