I posted blog about some days ago.maybe this is helpful for you?
How To get Side Lower Seat in Train?
I am sharing some tips to get SL according to me these tips are helpful to you.
ЁЯФ╕Book tickets End To End.
ЁЯФ╕Book...
more... tickets Well in Advance.Means book ticket before 3 or 4 months.
ЁЯФ╕if your are two persons travelling in train.keep preference Side Lower and Side Upper.
ЁЯФ╕Book ticket in High RacЁЯШВЁЯШВ
Don't take seriously.Enjoy it.
Only Railfans can feel the importance of Side Lower Seat.
Please add your opinion about this topic.
Thanks! Until then keep Railfanning