The pyre was lit by Uttam Singh, the son of present Namdhari chief Thakur Udey Singh.
The cremation was attended amongst others by Punjab Chief Minister Parkash Singh Badal, Leader of the Opposition in Punjab Assembly Charnjit Singh Channi, Ludhiana Congress MP Ravneet Singh Bittu and state RSS leader Mool Raj Jain.
Kaur (85) had suffered two bullet injuries and was admitted to a Ludhiana hospital in critical condition, where she succumbed to the injuries.
Congress leaders including Channi, Bittu and former state chief of the party H S Hanspal blamed the Punjab government for "poor law and order situation" and demanded resignation of Deputy CM Sukhbir Singh Badal, who holds the Home portfolio, "on moral grounds".
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Talking to mediapersons later, the CM said it was sad that Congress leaders were "in the habit of politicising every incident".
"Punjab government has always provided full security to all those who need it," he said, adding the SAD-BJP government has already set up a Special Investigation Team (SIT) probe the incident.
Sukhbir Singh Badal had ordered setting up of SIT under the supervision of ADGP-cum-Director, Bureau of Investigation IPS Sahota to probe the death.
The SIT comprises of Commissioner Police Ludhiana Jatinder Singh Aulakh as Chairman, SSP Khanna Satinder Singh and AIG (Crime) Ravi Charan Singh Brar both as members.