L shape: When u drive a right turn little steepup hold Accelarator and clutch together with out allowing vehicle to come back,apply hand brake,when you are asked to reverse and park in a L shape,get Gear position in to reverse mode slowly release clutch and slow accelarator drive down, slowly turn the Driving(Steering) wheel to right turn so that your vehicle move backward in a right angle shape,get steering wheel in to stright position vehicle will come back in a L shape and stop.

Pocket Parking: When you drive on reverse mode, look in the right side mirror and come slow back and when your right back door body frame reach exactly the pole kept for marking stop vehicle turn steering complete to right side come little back alowing vehicle back to turn right side and fron portion of car in to left turn stop and again turn steering wheel in to left motion totally making your car position as stright.

just know & understand the technique ie when u turn.

It will be very easy,good luck