The Sebi verdict means that the fate of the deal, which will see an infusion of funds into PNB Housing Finance, remains uncertain at least for now.
The organisation will ask the borrowers to do the repayment of loans if there are capable to do so.
Mindtree and Tata Metaliks are slated to announce their June quarter results on Tuesday.
The scrip jumped 5% to Rs 720.55 in the early trade, while the benchmark BSE Sensex was down 14 points, or 0.03% at 53,040
PNB Housing Finance has advanced to Rs 880.65 on June 7 from Rs 437.70 on May 28
PNB Housing Finance hit an upper circuit of 10% at Rs 762.50 on BSE, extending its winning run to seventh consecutive trading session.
The scrip jumped 20% to Rs 525.20 in the morning trade, while the benchmark BSE Sensex traded over 400 points higher at around 51,800
PNB Housing and Yes Bank will synergise capabilities to provide an efficient and seamless experience to existing and new retail home loan customers