Vodafone India — Non activation of offer despite multiple follow up

Address:

Mumbai City, Maharashtra, 400101

Despite multiple rounds of follow up Rs 300 plan offered to me has not been activated. First I did follow up with Manoj from Vodafone for about 2 weeks. Post this I did a follow-up with their call center and finally with their nodal office without any luck so far.
I think all my options have got exhausted now as they have told me there is no more level of escalation after nodal office. Thus writing to you.
Below is the reference of my last request to Nodal officer:

RE: Better plan request my Vodafone numbers - service request number:[protected] and[protected]