Claris Lifesciences sale of Claris Injectables to Baxter

Given that the deal is likely to close in 2nd half 2017, why is the share price of Claris getting beaten down (CMP on 23-1-17 = 303.55) inspite of Rs.4,200 crores coming into the company in a few months?
Promoters have indicated that most of the incoming sale proceeds will be passed onto shareholders after adjusting for interest and debt.

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