दौड़ती है हिमालय तट से सागर, हमसफ़र हर राह पर, हवाई जहाज़ों को त्याग कर, करो अक्सर, भारतीय रेल में सफर. - Arpit P

One thing can be done... Increase in frequency of Amaravathi to Daily. So Run 4 days till Vasco and remaining 3 days IR can extend it to MAQ

BUT

IR...
more...

should extend 22637/68 West Coast Express to Vasco on those three days ... Thus the schedule will be as

22637------STATION ------22638
11:30---------MAS ----------14:40
03:45---------MAJN--------22:10
09:10---------VSG----------16:20

Sufficient time also avbl at VSG for Maintenance. MAQ MAO ICE then will be cancelled on that days.