Are there Structural Distress Signs in Delhi Metro stretch between Qutab Minar & Chhatarpur stations?

Off late, those commuting by Delhi Metro (DMRC) in the yellow line metro train network meant for connectivity between Delhi's Jahangirpuri / Vishwavidyalaya stations and Gurgaon's HUDA City Centre station must have noticed an annoying feature of the trains running extremely slower, or rather sometimes, just crawling & halting and again crawling in the DMRC rail stretch spanning between Saket, Qutab Minar & Chhattarpur stations.

This, many daily commuters had thought, was perhaps due to making Qutab Minar section as the transition (return direction change) point again for some of the trains instead of the Green Park section that was used as transition point on experimental basis for a brief period of time. This was done based on a study by DMRC that the people traffic boarding and de-boarding the trains was substantially higher at the Green Park junction rather than at Qutab Minar station.

Delhi Metro's Qutab Minar Metro Station

Delhi Metro's Gurgaon-M G Road Metro Station

Qutab Minar has again been made the transition point since last 7 to 10 days with many a trains that start from Jahangirpuri / Vishwavidyalaya stations terminating at Qutab Minar only instead of Gurgaon's HUDA City Centre station and changing tracks here for returning back.

However doubts in the minds of many a passengers are now raising anticipating other reasons too that might be attributing to the irritatingly slow speeds
between the Qutab Minar & Chhattarpur stretch, where the metro trains are chhugging at as low speed as 5 kilometers per hour. i.e., almost at snail's pace. The speed of the train is attained back once the train crosses-by one particular stretch (between MCD's garbage collection & handling kiosk near Mehrauli side's bus stop and the Qutab Minar station's platform).

This surely is raising apprehensions now questioning whether the civil supporting structure (column piers and/or rail supporting platform members connected together by a civil engineering process called post-tensioning) of this particular stretch are absolutely OK or have developed some kind of distress/ crack(s)/ uneven settlement of pier foundation(s)/ etc. that may have forced DMRC to undertake critical corrective and/or maintenance actions. Although there has not been any official statement from DMRC in this regard, yet there seems to be high chances of susceptible corrective actions taking place in the said section.

Quick end-note/ Disclaimer: The reported problem with DMRC is team bricks-n-mortar 's perception which is primarily based on a number of factors like feedback from various sections of people commuting daily in the said section, observations made upon actual visit to location (on road underneath the metro line) and inputs gathered from a couple of DMRC officials (who for certain reason want to remain anonymous).
What is your viewpoint on this? Do you also commute using the same section between Gurgaon & Delhi? Have you also noticed some distress signs/ unusual slowing of metro trains in this stretch?

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