This one would do.

You are booking it through KLM, flying from BLR to BOM with Jet Airways
And all the other legs through KLM

I take this route multiple times per year, and have had good experience to date.

(512 EUROS / 40,213 INR)

Departing flight Sun, Apr 7 (Jet Airways / KLM)
Leg 1: 10:50 PM
Kempegowda International Airport Bengaluru BLR
Travel time: 2h 10m
1:00 AM+1
Chhatrapati Shivaji International Airport BOM
Jet Airways
Economy
Boeing 737
9W 393
Ticket also sold by KLM
Often delayed by 30+ min
Average legroom (30 in)
Stream media to your device
3h 5m layover
Mumbai BOM
Overnight layover

Leg 2: 4:05 AM+1
Chhatrapati Shivaji International Airport BOM
Travel time: 9h 5m
Overnight
9:40 AM+1
Amsterdam Airport Schiphol AMS
KLM
Economy
Boeing 787
KL 878
Ticket also sold by Jet Airways
Average legroom (31 in)
Wi-Fi
In-seat power & USB outlets
On-demand video
1h 20m layover
Amsterdam AMS

Leg 3: 11:00 AM+1
Amsterdam Airport Schiphol AMS
Travel time: 50m
11:50 AM+1
Düsseldorf International Airport DUS
KLM
Economy
Embraer RJ-190
KL 1855
Plane and crew by Klm Cityhopper
Ticket also sold by Jet Airways
Average legroom (30 in)


Returning flight Wed, Apr 17 (Air France )

Leg 1: 6:40 AM
Düsseldorf International Airport DUS
Travel time: 1h 20m
8:00 AM
Charles de Gaulle Airport CDG
Air France
Economy
Embraer RJ-190
AF 1107
Plane and crew by HOP!
Average legroom (31 in)
2h 15m layover

Paris CDG
Leg 2: 10:15 AM
Charles de Gaulle Airport CDG
Travel time: 10h 0m
11:45 PM
Kempegowda International Airport Bengaluru BLR
Air France
Economy
Airbus A330
AF 194
Ticket also sold by Jet Airways
Above average legroom (32 in)
On-demand video