Exactly. The speeds have increased and only to thank for all of this is Jio.
Regarding increased speed on bsnl broabband i dont see 20 mbps speeds a reliable choice on bsnl copper wires. Currently im on 1199 plan and my line speeds are 12798 Kbps down and 636 Kbps up, with the SNR at 13 up and 28 down. So after doubling my plan speed to 20Mbps from current 10Mbps my snr will drop to half and below 10 (the min snr req for a stable connection) leading to unstable link. Furthermore, at MAX currently my line supports 22000 Kbps (Attainable rate), so achieving 20 Mbps = 0-6 SNR, not possible. VDSL is the only viable option for bsnl to compete as of now bcoz ftth deployment will be very costly and slow.