Promoters of Ansal Properties facing Jail term

Just read the news
that Ansal brothers (sushil ansal and gopal ansal) are probably surrendering today on charges of destroying court evidence Uphaar tragedy case. If convicted they face jail term upto 7 years. Ansalinfra down by 7% in morning trade on NSE. I dont know how much of this news has got to do with it. Other real estate companies, e.g. DLF are also down by over 3%.