بسم الله الرحمن الرحيم
(Fatwa: 1279/1047/N=11/1439)
Hajj-e-Tamattu or Hajj-e-Qiran are performed with Umrah, so if you find Hajj-e-Tamattu or Hajj-e-Qiran hard due to shortage of time and crowd then you should perform Hajj-e-Ifrad; there is no sin in it according to Shariah.
Allah knows Best!
Darul Ifta,
Darul Uloom Deoband
