New Delhi, Jan. 23 -- India on Thursday condemned the trespassing of the Indian embassy in Croatia and the vandalism of the national flag by pro-Khalistan separatists and said the perpetrators should be held accountable. A video posted online by Sikhs for Justice (SFJ) leader Gurpatwant Singh Pannun showed a Khalistani activist taking down the Indian flag at the embassy in Zagreb and replacing it with the yellow Khalistan flag....