ITC — Cigarette agent behaves aggressive

My shop is located in Velankanni from Nagapattinam district. Here the agent from ITC cigarettes not accepting 10 rupees coins. And he says company only not accept. Indian government only giving the 10 rupees coins. Then why don't you not accept the 10 rupees coins.And the agent not behaving properly.He behaved always Aggressively. He does not gave Cigarettes prooerly to the small shops. He gave only big shops.please take necessary action to him.