Please translate the given English sentence to Hindi
इस सुरंग को मई 2016 में तैयार होना था, लेकिन कई कारणों से इसके पूरे होने में 9 महीने की देरी हो गई।
The construction of Rs 2,519 crore Chenani-Nashri tunnel was expected to be completed by May 20, 2016 but it was delayed due to various reasons.