Tata Docomo — Regarding Internet Tower Installation

2 days back, i.e. on 31st Aug., I received a call from a lady calling from tata docomo. She asked me if I have a land available for internet tower installation. I said yes, then she asked for the address and pincode of the location. Then another guy called and asked me to submit the documents, like pan card, adhar card, electricity bill, etc. Till then it was fine. But then he asked me to get issued a life insurance policy for 6-7 Lac cover from IGM department (about which I have never heard) in the name of land owner.
When I asked him to first visit the property and check the location, he said they already had done this through satellite imaging.

I would like to know, is this any kind of fraud ?