लाच is a term often associated with bribery or corruption. However, the provided evidence does not specifically mention the meaning or context of लाच. It appears to be a Bhojpuri devotional song, ‘Odhaul Phoolwa Maai Ke Pasand’, sung by Nisha Singh. The song’s title and the artist’s name are mentioned in the evidence, but there is no further information about the term लाच. The Times of India is the source of the evidence, but it does not provide any details about the meaning or context of लाच. Therefore, it is not possible to provide a more detailed answer based on the provided evidence.