Vienna, 26 May (AKI) - The health of a Sikh guru who was attacked at a temple in the Austrian capital Vienna at the weekend has improved considerably, the Indian embassy said on Tuesday. According to a report by the Austria News Agency citing the embassy, 68-year-old guru, Sant Niranjan Dass, has improved after he had surgery.

Dass underwent surgery after Sunday's attack at the Rudolsheim temple where another guru 57-year-old Sant Rama Nan was killed.

"Sant Niranjan Dass is doing well," the embassy said. "He could soon be released from the hospital."

Dass's deputy, Sant Rama Nan, succumbed to his injuries and died in a Vienna hospital on Monday.

Six people were arrested in connection with the attack on Sunday in Vienna's 15th district. Police said six bearded, knife and gun wielding attackers entered the temple, shot the two visiting gurus and attacked worshippers.

Four of the wounded were suspects, two of them in a serious condition, according to police.

About 150 people were in the temple when the violence took place, police said. Authorities are investigating what triggered the attacks.

Austrian interior minister Maria Fekter said Austria's community of around 3,000 Sikhs have lived there "exceptionally peacefully".

India's external affairs minister S.M. Krishna said on Monday that the Indian government would take all necessary steps to bring the culprits of the Vienna violence to justice.

"We are receiving the cooperation of the Austrian authorities and are determined to ensure the perpetrators of this completely mindless and wanton attack are brought to justice," he said.

The Indian embassy in Vienna was in close contact with the Austrian foreign ministry, the Viennese police and the Austrian authorities, he said.

"There is no excuse whatever for the violation of the sacred premises of the gurudwara (temple) to sub serve narrow sectarian interests and other purposes," Krishna said.