New Delhi Feb 18 PTIThe Centre has taken serious note of a pro-Khalistan groups letter extending support to the Aam Aadmi Party AAP Union Home Minister Amit Shah said on Friday as the controversy over the letter created a flutter on the last day of campaigning in PunjabThe letter purportedly written by the Sikhs For Justice SFJ in Gurmukhi was forwarded to the home minister by Punjab Chief Minister Charanjit Singh Channi along with a personal note saying the matter was serious and compromised the security and integrity of the nationShah in his reply to Channis letter said that no one will be allowed to play with Indias unity and integrityHe said it is highly condemnable that to grab power some people go to the extent of joining hands with the separatists and also go to the limits of breaking Punjab and the countryHe said this in reply to the letter written by Channi claiming that he had received a letter by SFJ which shows that the group is in constant touch with the AAPChanni claimed that in the SFJ letter it was mentioned that it had given its support to the AAP in the assembly elections in Punjab in 2017 and similarly in these polls tooThe SFJ has exhorted the electorate to vote for AAP Channi further claimedPolling for the Punjab assembly elections will be held on February 20I want to assure you that no one will be allowed to play with the unity and integrity of the country The government of India has taken the matter very seriously and I myself will look into the matter deeply Shah said in his responseHe said the issue of a political party having relations and getting support from a terrorist and banned organisation is a serious matter with regard to the unity and integrity of the countryShah said the agenda of such forces is no different from the agenda of countrys enemiesThis is highly condemnable that to grab power such people go to the extent of joining hands with the separatists and also go to the limits of breaking Punjab and the country he saidChanni in his letter said it was a very serious issue of compromising with the security and integrity of the country and thus needs to be thoroughly investigatedI would urge upon you to immediately get this matter investigated for taking appropriate action in this regard he saidIn addition Channi said Arvind Kejriwals one time close aide Kumar Vishwas has made serious allegations of the AAP co-founder and Delhi chief ministers links with the Khalistani forces These allegations also deserved to be probed comprehensively and necessary action taken accordingly I hope you would consider this and take appropriate necessary action immediately keeping in view the seriousness of the matter involved as Punjab has already suffered heavily due to these separatist forces he said PTI ACB SKL ZMN