Armed CRPF commandos will accompany him during his travels across the country, they added.
Gupta's security has been entrusted to Delhi Police again.
The sources said such communication was "routine" in nature and had been sent by the CRPF security wing in the context of Gandhi's security in the past too.
The security cover of External Affairs Minister S Jaishankar has been strengthened with the addition of two bullet-resistant vehicles following a review of his Z category armed central protection recently, official sources said on Wednesday.
Till now, he was being guarded by a small team of the central paramilitary force SSB.
Pawar was amenable to increasing the height of the boundary walls of his house in Delhi as part of the enhanced security measures.
The Union government has ordered the complete withdrawal of the counter-terrorist commando force NSG from VIP security duties and handing over its nine "high-risk" VIPs to the CRPF by next month, official sources said Wednesday.
The security cover of External Affairs Minister S Jaishankar has been upgraded from the 'Y' category to 'Z', official sources said on Thursday.
The plan to relieve NSG from VIP security tasks has been in the making since 2012 when NSG commanders foresaw an event where simultaneous terror attacks could be witnessed at one time on multiple centres in the country and the commandos will have to be rushed in different directions.
There is a conspiracy to get Lalu murdered, but we will give a befitting reply to the centre, said Tej Pratap.