Dehradun, Dec 16 (IANS): The Rail Land Development Authority (RLDA), which is working on the redevelopment of the Dehradun railway station, has sought approval for its detailed project report involving a high-rise building of 83.5 m height, officials said on Wednesday. According to RLDA officials, the approval was sought during a meeting of RLDA Vice Chairman Ved Prakash Dudeja with Uttarakhand Chief Minister Trivendra Rawat on Tuesday when they met to review the status of Dehradun Railway Station redevelopment project.