List of trains not restored on Delhi - Agra route
Nizamuddin - kohlapur weekly express
Nizamuddin - Maysore weekly express
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Nizamuddin - Ernakulam weekly express
Nizamuddin / New Delhi - jhansi Taj express
Amritsar - vishakapatnam hirakund express
New Delhi - Puducherry weekly express
Nizamuddin - Mumbai Ltt Ac express weekly
Amritsar - Nanded via rohtak , jhakhal
Una Himachal - Nanded weekly
Kalka - Sai Nagar shirdi weekly
( I have not listed the trains that have been cancelled due to poor occupancy in April - may 2021)
If I forget any train to put please update me