The owner of SamorBagh restaurant in Udaipur, Kamal Joshi told the police on Friday that a person resembling the sketch, released on Thursday night, was seen in his restaurant on Sunday evening.

He said that the man was accompanied by a young woman and both of them came to the restaurant at about 4 pm on Sunday.

The woman entered the restaurant wearing a saree but changed into a salwar kameez before leaving with the man, Joshi said, according to the police. They did not take anything in the restaurant, he said.

The in-charge of Surajpole police station Himmat Singh said investigations were on to check the movement of the duo in the town.

Rajasthan Police has also detained eight Bangladeshis near the famous sufi shrine of Khwaja Moinuddin Chisti in Ajmer after they were found to be moving under suspicious circumstances. All the eight are being questioned, Superintendent of Police (Ajmer) Anand Srivastava said.

Delhi Police received phone calls about people resembling the sketches and questioned some including an Afghan but nothing was found against them.

Rajasthan Police had on Thursday night released sketches of three men and was preparing that of another person all of whom are suspected to be behind the Jaipur serial blasts that claimed 64 lives on Tuesday.

The sketches had been prepared on the basis of preliminary investigations into the blasts and descriptions given by owners of shops selling bicycles, bags and ball bearings, which were used in the explosions, SP (North) R.Suhas said in Jaipur. He said the sketch of another man was being drawn up.

According to sources, all the four were suspected to have planted the explosives that went off within a span of 12 minutes at several localities in the walled city on the night of Tuesday.