The key facts about Tempsens Instruments IPO allotment are as follows. Tempsens Instruments has gone public with its Initial Public Offering (IPO). The allotment of the IPO is scheduled to take place on the same day as the IPO. Investors can check the status of their allotment on the Bombay Stock Exchange (BSE), the National Stock Exchange (NSE), and the registrar. The article mentions that the GMP (Grey Market Premium) signals a strong response to the IPO, indicating a potential positive outcome. However, the article does not provide information on the exact number of shares allotted, the allotment ratio, or the amount of money raised through the IPO.