Eureka Forbes — Why i will pay increase amount if i was made my dd before date.

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Website:	www.eurekaforbes.com

I am a owner of devansh enterprises (Franchisee of efl). Which is in gonda city up. I had billing of 11 machines with amount of 132000 by (Demand draft). I was made my dd on date of (11/05/2017) and i have transferred that {dd} before rate increasing. So why i will pay increased amount and i why your company is not sending my machines?, pls do something on this problem and give me some resolution on this as soon as possible. Thank you